Listed record inventories
Selected holdings and indexes for Frederick County, checked against the repository descriptions linked below. Date spans may contain gaps; an index is not a complete set of original records.
Deeds and land
- REGISTER OF WILLS (Accounts of Sale, Real Estate, Original) · C3381 · Paper1832-1927
- CIRCUIT COURT (County Road Plat Book) · C2314 · Paper1967
- CIRCUIT COURT (Deeds and Mortgages) · T155 · Paper1758-1864
- CIRCUIT COURT (Deeds of Trust) · T139 · Paper1845-1981
- CIRCUIT COURT (Deeds) · T156 · Paper1865-1923
- CIRCUIT COURT (Land Record Abstracts) · T149 · Paper1789-1816
- CIRCUIT COURT (Land Record Judicial Proceedings) · CE424 · Electronic1866-1989
- CIRCUIT COURT (Land Record Judicial Proceedings) · C2960 · Paper1866-1989
- CIRCUIT COURT (Land Records) · TM243 · MicrofilmDates not stated in catalog
- CIRCUIT COURT (Land Records) · CE61 · Electronic1851
- CIRCUIT COURT (Land Records) · T128 · Paper1846-1973, 1987-2002
- CIRCUIT COURT (Land Records) · C2916 · Paper1851
- CIRCUIT COURT (Land Records) · CM484 · Microfilm1851
- CIRCUIT COURT (Land Records, Grantee Index, Original) · CE269 · Electronic1972-1994
- CIRCUIT COURT (Land Records, Grantor Index, Original) · CE270 · Electronic1972-1994
- CIRCUIT COURT (Land Records, Index) · CM489 · Microfilm1851-1959
- CIRCUIT COURT (Land Records, Index) · T165 · Paper1748-1941
- CIRCUIT COURT (Land Records, Index) · C816 · Paper1851-1915
- CIRCUIT COURT (Land Records, Index) · CE456 · Electronic1851-1941
- CIRCUIT COURT (Land Records, Index, Microfilm) · CE110 · Electronic1851-1959
- CIRCUIT COURT (Land Records, Index, Original) · CE268 · Electronic1867-1971
- CIRCUIT COURT (Land Records, Mortgagee Index) · T1397 · Paper1867-1936
- CIRCUIT COURT (Land Records, Mortgagee Index) · CE111 · Electronic1867-1936
- CIRCUIT COURT (Land Records, Mortgagee Index) · CM501 · Microfilm1867-1936
- CIRCUIT COURT (Land Records, Mortgagee Index, Original) · CE271 · Electronic1937-1971
- CIRCUIT COURT (Land Records, Mortgagor Index) · C2892 · Paper1867-1971
- CIRCUIT COURT (Land Records, Mortgagor Index) · CM502 · Microfilm1867-1936
- CIRCUIT COURT (Land Records, Mortgagor Index) · T1391 · PaperDates not stated in catalog
- CIRCUIT COURT (Land Records, Mortgagor Index) · CE112 · Electronic1867-1971
- CIRCUIT COURT (Land Records, Mortgagor Index, Original) · CE272 · Electronic1937-1971
- CIRCUIT COURT (Miscellaneous Plats) · C2317 · Paper1851-1939
- CIRCUIT COURT (Mortgages and Releases) · T157 · Paper1865-1920
- CIRCUIT COURT (Plat Book) · CM491 · Microfilm1907-1989
- CIRCUIT COURT (Plat Book) · TM245 · Microfilm1909-1989
- CIRCUIT COURT (Plat Book) · C2311 · Paper1907-2001
- CIRCUIT COURT (Plat Book, Aperture Cards) · C2312 · Paper1907
- CIRCUIT COURT (Plat Book, Index) · C2320 · Paper1907
- CIRCUIT COURT (Plats from Civil) · C2552 · Paper1851
- CIRCUIT COURT (Plats from Equity) · C2855 · Paper1851
- CIRCUIT COURT (Plats from Land Records) · CM490 · Microfilm1897-1949
- CIRCUIT COURT (Plats from Land Records) · C2310 · Paper1851-1949
- CIRCUIT COURT (Plats) · T167 · PaperDates not stated in catalog
- CIRCUIT COURT (State Road Plat Book) · C2313 · Paper1932-2002
- CIRCUIT COURT (State Road Plats, Aperture Cards) · C2321 · Paper1932-2002
- CIRCUIT COURT (State Road Property Plan Book) · C2510 · Paper1964-1970
- CIRCUIT COURT (Surveyors Affidavits) · T152 · Paper1897-1911
- COURT (Land Commission Papers) · C2316 · Paper1794-1836
- COURT (Land Commissions) · C2315 · Paper1795-1836
- COURT (Land Records) · CE108 · Electronic1748-1851
- COURT (Land Records) · C814 · Paper1748-1851
- COURT (Land Records) · CM485 · Microfilm1748-1851
- COURT (Land Records, Index) · CM487 · Microfilm1748-1851
- COURT (Land Records, Index) · CE455 · Electronic1748-1851
- COURT (Land Records, Index, Microfilm) · CE109 · Electronic1748-1851
- COURT (Land Records, Index, Original) · C2977 · Paper1748-1851
- COURT (Land Records, Index, Photostat) · C815 · Paper1748-1851
- COURT (Miscellaneous Plats) · C2096 · Paper1793-1851
- COURT (Plats from Equity) · C2854 · Paper1815-1851
- COURT (Plats from Land Records) · C2309 · Paper1770-1851
- COURT OF APPEALS (Land Record Abstracts, Frederick, Index) · S1376 · Paper1819-1874
- DEPARTMENT OF PUBLIC WORKS (Right of Way Plats) · C2981 · Paper1977-1997
- DEPARTMENT OF TRANSPORTATION, STATE HIGHWAY ADMINISTRATION (State Road Plats, Aperture Cards, Frederick) · S1670 · Paper1971
- DEPARTMENT OF TRANSPORTATION, STATE HIGHWAY ADMINISTRATION (State Road Plats, Frederick) · S1718 · Paper1971
- GENERAL COURT OF THE WESTERN SHORE (Land Record Abstracts, Frederick) · S1316 · Paper1785-1815
- GENERAL COURT OF THE WESTERN SHORE (Land Record Abstracts, Frederick, Index) · S1327 · Paper1785-1794
- LAND OFFICE (Certificates, Patented, Frederick) · S1197 · Paper1748-1935
- LAND OFFICE (Certificates, Patented, Oversize, Frederick) · S1912 · PaperDates not stated in catalog
- LAND OFFICE (Certificates, Unpatented, Frederick) · S1220 · Paper1719-1882
- LAND OFFICE (Certificates, Unpatented, Oversize, Frederick) · S1936 · PaperDates not stated in catalog
- LAND OFFICE (Land Record Abstracts, Frederick, Index) · S1298 · Paper1874-1899
- LAND OFFICE (Plats on Microfilm, Frederick) · S1538 · Paper1897-1949
- MARYLAND INDEXES (Census of 1870, Frederick, Index) · S1737 · Paper1870
- MARYLAND INDEXES (Orphans Court Proceedings, Frederick, Index) · S1450 · Paper1777-1808
- MARYLAND INDEXES (Patents, Frederick, Tract Index) · S1590 · Paper1701-1983
- MARYLAND INDEXES (Plat References, Frederick, Index) · S1560 · Paper1745-1857
- MARYLAND STATE ARCHIVES (Subdivision Plats, Frederick) · T1906 · Paper2006-2026
- MARYLAND STATE ARCHIVES (Subdivision Plats, Frederick) · S1244 · Paper1945
- MARYLAND STATE ARCHIVES (Subdivision Plats, Frederick) · SM45 · Microfilm1987-1988
- REGISTER OF WILLS (Accounts of Sale, Real Estate) · T116 · Paper1832-1979
- REGISTER OF WILLS (Accounts of Sale, Real Estate, Original) · T78 · Paper1832-1926
- REGISTER OF WILLS (Inventories, Real Estate) · T98 · Paper1940-1969
- REGISTER OF WILLS (Inventories, Real Estate) · CM481 · Microfilm1940-1962
- STATE ROADS COMMISSION (State Road Plats, Aperture Cards, Frederick) · S1647 · Paper1932-1971
- STATE ROADS COMMISSION (State Road Plats, Frederick) · S1694 · Paper1908-1971
- SURVEYOR (Survey Record) · C2318 · Paper1782-1945
- SURVEYOR (Survey Record) · CM509 · Microfilm1782-1915
- SURVEYOR (Survey Record, Index) · C2319 · Paper1782-1945
- SURVEYOR (Survey Record, Index) · CM510 · Microfilm1784-1915
Wills and estates
- REGISTER OF WILLS (Contested Cases, Original) · C3383 · Paper1818-1972
- REGISTER OF WILLS (Estate Papers) · C3384 · Paper1852-1891, 1927-1940
- REGISTER OF WILLS (Accounts of Sale) · CM1242 · Microfilm1811-1812
- REGISTER OF WILLS (Accounts of Sale) · T76 · Paper1851-1971
- REGISTER OF WILLS (Accounts of Sale) · C745 · Paper1811-1871
- REGISTER OF WILLS (Accounts of Sale, Original) · C746 · Paper1808-1929
- REGISTER OF WILLS (Accounts of Sale, Original) · T77 · Paper1844-1927
- REGISTER OF WILLS (Administration Accounts) · T79 · Paper1899-1979
- REGISTER OF WILLS (Administration Accounts) · CM463 · Microfilm1750-1963
- REGISTER OF WILLS (Administration Accounts) · C747 · Paper1750-1899
- REGISTER OF WILLS (Administration Accounts, Index) · C748 · Paper1750-1893
- REGISTER OF WILLS (Administration Accounts, Index) · CE348 · Electronic1750-1816
- REGISTER OF WILLS (Administration Accounts, Index) · T1221 · Paper1820-1893
- REGISTER OF WILLS (Administration Accounts, Index) · CM464 · Microfilm1750-1816
- REGISTER OF WILLS (Administration Accounts, Original) · T80 · Paper1878-1927
- REGISTER OF WILLS (Administration Accounts, Original) · C749 · Paper1827-1938
- REGISTER OF WILLS (Administration and Guardian Accounts, Copies) · C750 · Paper1860-1886
- REGISTER OF WILLS (Administration Bonds) · C751 · Paper1799-1981
- REGISTER OF WILLS (Administration Bonds) · CM465 · Microfilm1799-1853
- REGISTER OF WILLS (Administration Bonds) · T81 · Paper1853-1981
- REGISTER OF WILLS (Administration Bonds, Inventories, & Accounts of Sale, Index) · T1222 · Paper1815-1878
- REGISTER OF WILLS (Administration Bonds, Inventories, & Accounts of Sale, Index) · C3279 · Paper1815-1878
- REGISTER OF WILLS (Administration Bonds, Original) · T82 · Paper1875-1924
- REGISTER OF WILLS (Administration Bonds, Original) · C752 · Paper1748-1935
- REGISTER OF WILLS (Administration Letters) · C3382 · Paper12/1897-11/1927
- REGISTER OF WILLS (Administration Letters) · T101 · Paper1897-1926
- REGISTER OF WILLS (Administration Letters, Petitions) · T112 · Paper1955-1970
- REGISTER OF WILLS (Administration Proceedings) · TM247 · Microfilm1981-1996
- REGISTER OF WILLS (Administration Proceedings) · T83 · Paper1970-1997
- REGISTER OF WILLS (Bond Approvals) · C3280 · Paper1921-1987
- REGISTER OF WILLS (Bond Approvals) · T85 · Paper1921-1987
- REGISTER OF WILLS (Certificates of Freedom) · C762 · Paper1815-1863
- REGISTER OF WILLS (Certificates of Freedom) · CM1014 · Microfilm1815-1863
- REGISTER OF WILLS (Certificates of Freedom, Original) · CM1027 · Microfilm1808-1842
- REGISTER OF WILLS (Certificates of Freedom, Original) · C764 · Paper1808-1842
- REGISTER OF WILLS (Claims Docket) · C3281 · Paper1854-1997
- REGISTER OF WILLS (Claims Docket) · T86 · Paper1854-1997
- REGISTER OF WILLS (Commissions) · C771 · Paper1800-1825
- REGISTER OF WILLS (Contested Cases, Original) · T87 · Paper1865-1969
- REGISTER OF WILLS (Deposit Record) · C3298 · Book1852-1998
- REGISTER OF WILLS (Deposit Record) · T89 · Paper1852-1998
- REGISTER OF WILLS (Distributions) · C781 · Paper1778-1784
- REGISTER OF WILLS (Docket) · C3282 · Paper1870-1983
- REGISTER OF WILLS (Docket) · T119 · Paper1870-1983
- REGISTER OF WILLS (Equity Record) · T90 · Paper1865-1915
- REGISTER OF WILLS (Equity Record) · C3283 · Paper1865-1915
- REGISTER OF WILLS (Estate Docket) · T91 · Paper1860-1998
- REGISTER OF WILLS (Estate Docket) · CM474 · Microfilm1815-1952
- REGISTER OF WILLS (Estate Docket) · C787 · Paper1815-1998
- REGISTER OF WILLS (Estate Docket) · CE349 · Electronic1815-1952
- REGISTER OF WILLS (Estate Papers) · T92 · Paper1927-2014
- REGISTER OF WILLS (Estate Papers, Unprobated) · C897 · Paper1811-1888
- REGISTER OF WILLS (Fee Book) · T1835 · Paper1926-1979
- REGISTER OF WILLS (Fee Book) · C3284 · Book1926-1979
- REGISTER OF WILLS (General Index) · T4004 · Paper1981-1997
- REGISTER OF WILLS (Guardian Accounts) · CM476 · Microfilm1811-1852
- REGISTER OF WILLS (Guardian Accounts) · T1834 · Paper1964-1982
- REGISTER OF WILLS (Guardian Accounts) · C794 · Paper1811-1965
- REGISTER OF WILLS (Guardian Accounts, Inactive) · T93 · Paper1918-1983
- REGISTER OF WILLS (Guardian Accounts, Original) · C795 · Paper1792-1874
- REGISTER OF WILLS (Guardian Accounts, Original) · T94 · Paper1875-1928
- REGISTER OF WILLS (Guardian Bonds and Accounts, Index) · T1226 · Paper1815-1999
- REGISTER OF WILLS (Guardian Bonds and Accounts, Index) · C3285 · Book1815-1999
- REGISTER OF WILLS (Guardian Bonds) · CM477 · Microfilm1778-1853
- REGISTER OF WILLS (Guardian Bonds) · C796 · Paper1778-1971
- REGISTER OF WILLS (Guardian Bonds, Original) · T95 · Paper1879-1929
- REGISTER OF WILLS (Guardian Bonds, Original) · C797 · Paper1778-1879
- REGISTER OF WILLS (Guardian Docket) · C798 · Paper1816-1912
- REGISTER OF WILLS (Guardian Docket) · C3286 · Book1912-1983
- REGISTER OF WILLS (Guardian Docket) · T2951 · Paper1912-1983
- REGISTER OF WILLS (Guardianship Papers) · T3528 · Paper1982-2015
- REGISTER OF WILLS (Indentures) · CM478 · Microfilm1794-1931
- REGISTER OF WILLS (Indentures) · C799 · Paper1794-1931
- REGISTER OF WILLS (Indentures, Original) · C800 · Paper1811-1897
- REGISTER OF WILLS (Inventories) · CM479 · Microfilm1749-1963
- REGISTER OF WILLS (Inventories) · C807 · Paper1749-1970
- REGISTER OF WILLS (Inventories) · T96 · Paper1851-1970
- REGISTER OF WILLS (Inventories, Original) · T97 · Paper1875-1927
- REGISTER OF WILLS (Inventories, Original) · C808 · Paper1749-1938
- REGISTER OF WILLS (Joint Accounts) · T99 · Paper1946-1996
- REGISTER OF WILLS (Joint and Co-Tenancy Record) · T100 · Paper1941-1981
- REGISTER OF WILLS (Judges Attendance Record) · C809 · Paper1852-1879
- REGISTER OF WILLS (Ledger) · T2950 · Paper1928-1995
- REGISTER OF WILLS (Ledger) · C3288 · Book1928-1995
- REGISTER OF WILLS (Letters of Administration Applications) · T84 · Paper1893-1981
- REGISTER OF WILLS (Letters of Administration Applications) · C3291 · Book1893-1981
- REGISTER OF WILLS (Liquidations) · C821 · Paper1864-1897
- REGISTER OF WILLS (Liquidations) · T103 · Paper1874-1894
- REGISTER OF WILLS (Miscellaneous Papers) · C835 · Paper1865-1913
- REGISTER OF WILLS (Notice to Creditors) · C3292 · Book1889-1971
- REGISTER OF WILLS (Notice to Creditors) · T105 · Paper1889-1971
- REGISTER OF WILLS (Orphans Bound by the Court) · C842 · Paper1800-1857
- REGISTER OF WILLS (Orphans Court Docket, Index) · C843 · Paper1818-1824
- REGISTER OF WILLS (Orphans Court Minutes) · C3295 · Book1864-1880
- REGISTER OF WILLS (Orphans Court Minutes) · T1227 · Paper1864-1880
- REGISTER OF WILLS (Orphans Court Orders) · T88 · Paper1870-1926
- REGISTER OF WILLS (Orphans Court Papers) · C774 · Paper1760-1928
- REGISTER OF WILLS (Orphans Court Papers) · T123 · Paper1798-1997
- REGISTER OF WILLS (Orphans Court Papers, Exhibits) · C775 · Paper1795-1816
- REGISTER OF WILLS (Orphans Court Proceedings) · C844 · Paper1777-1982
- REGISTER OF WILLS (Orphans Court Proceedings) · CM503 · Microfilm1777-1963
- REGISTER OF WILLS (Orphans Court Proceedings) · T109 · Paper1853-1982
- REGISTER OF WILLS (Orphans Court Proceedings, Index) · C845 · Paper1815-1852
- REGISTER OF WILLS (Orphans Court Proceedings, Index) · CE350 · Electronic1818-1850
- REGISTER OF WILLS (Orphans Court Proceedings, Index) · CM504 · Microfilm1815-1850
- REGISTER OF WILLS (Petitions and Orders) · T111 · Paper1939-1980
- REGISTER OF WILLS (Petitions and Orders, Original) · C3385 · Paper1870-1949
- REGISTER OF WILLS (Qualifications) · C857 · Paper1802-1857
- REGISTER OF WILLS (Receipts and Releases) · C866 · Paper1784-1914
- REGISTER OF WILLS (Receipts and Releases) · T114 · Paper1859-1996
- REGISTER OF WILLS (Receipts and Releases) · C862 · Paper1796-1996
- REGISTER OF WILLS (Receipts and Releases, Original) · T115 · Paper1878-1932
- REGISTER OF WILLS (Releases of Power of Appointment) · T1228 · Paper1944-1947
- REGISTER OF WILLS (Releases) · TM246 · Microfilm1982-1984
- REGISTER OF WILLS (Sale Orders) · T106 · Paper1921-1970
- REGISTER OF WILLS (Sale Orders) · C3296 · Book1921-1970
- REGISTER OF WILLS (Sale Orders, Securities) · T107 · Paper1921-1971
- REGISTER OF WILLS (Sale Orders, Securities) · C3297 · Book1921-1971
- REGISTER OF WILLS (Small Estate Papers) · T117 · Paper1945-1969
- REGISTER OF WILLS (Small Estate Record) · T118 · Paper1945-1981
- REGISTER OF WILLS (Testamentary Letters) · T102 · Paper1876-1925
- REGISTER OF WILLS (Testamentary Letters) · C3387 · Paper1876-1903
- REGISTER OF WILLS (Testamentary Letters, Petitions) · T113 · Paper1955-1969
- REGISTER OF WILLS (Transfer Orders, Securities) · T108 · Paper1947-1971
- REGISTER OF WILLS (Vouchers) · T120 · Paper1893-1927
- REGISTER OF WILLS (Vouchers) · C3388 · Paper1882-1927
- REGISTER OF WILLS (Wills of Living Persons, Index) · T3531 · Paper1945-1996
- REGISTER OF WILLS (Wills) · TM248 · Microfilm1982-1995
- REGISTER OF WILLS (Wills) · T121 · Paper1900-1997
- REGISTER OF WILLS (Wills) · C898 · Paper1745-1900
- REGISTER OF WILLS (Wills) · CM512 · Microfilm1745-1963
- REGISTER OF WILLS (Wills, Index) · C899 · Paper1748-1930
- REGISTER OF WILLS (Wills, Index) · CE351 · Electronic1748-1946
- REGISTER OF WILLS (Wills, Index) · CM513 · Microfilm1748-1946
- REGISTER OF WILLS (Wills, Index) · TM249 · MicrofilmDates not stated in catalog
- REGISTER OF WILLS (Wills, not recorded) · C3393 · PaperDates not stated in catalog
- REGISTER OF WILLS (Wills, Original) · T122 · Paper1886-1979
- REGISTER OF WILLS (Wills, Original) · C900 · Paper1748-1941
- REGISTER OF WILLS (Wills, Unprobated) · T2825 · Paper1959-1990
County government
- BOARD OF COUNTY COMMISSIONERS (Additions and Deductions) · T2828 · Paper1889-1897
- BOARD OF COUNTY COMMISSIONERS (Assessors Field Book) · T2080 · Paper1866-1876
- BOARD OF COUNTY COMMISSIONERS (Assessors Field Book) · C758 · Paper1876
- BOARD OF COUNTY COMMISSIONERS (Day Book) · T2077 · Paper1855-1857
- BOARD OF COUNTY COMMISSIONERS (Frederick and Harpers Ferry Road Proceedings) · C791 · Paper1852-1863
- BOARD OF COUNTY COMMISSIONERS (Frederick and Harpers Ferry Road Proceedings) · CE400 · Electronic1848-1863
- BOARD OF COUNTY COMMISSIONERS (Ledger) · C817 · Paper1877-1891
- BOARD OF COUNTY COMMISSIONERS (Levy List) · C820 · Paper1852-1900
- BOARD OF COUNTY COMMISSIONERS (Levy Papers) · T191 · Paper1789-1889
- BOARD OF COUNTY COMMISSIONERS (Minutes) · C878 · Paper1866-1891
- BOARD OF COUNTY COMMISSIONERS (Minutes, Rough) · C2858 · Paper1901-1906
- BOARD OF COUNTY COMMISSIONERS (Minutes, Rough) · T2075 · Paper1892-1897
- BOARD OF COUNTY COMMISSIONERS (Miscellaneous Papers) · C836 · Paper1866-1884
- BOARD OF COUNTY COMMISSIONERS (Miscellaneous Records) · T2443 · Paper1882-1946
- BOARD OF COUNTY COMMISSIONERS (Pension Record) · C846 · Paper1852-1853
- BOARD OF COUNTY COMMISSIONERS (Pension Record) · T2073 · Paper1862-1917
- BOARD OF COUNTY COMMISSIONERS (Proceedings) · C855 · Paper1851-1875
- BOARD OF COUNTY COMMISSIONERS (Road Book) · C873 · Paper1851-1892
- BOARD OF COUNTY COMMISSIONERS (Road Descriptions) · C868 · Paper1851-1884
- BOARD OF COUNTY COMMISSIONERS (Road Petitions) · C870 · Paper1914-1941
- BOARD OF COUNTY COMMISSIONERS (Road Record) · C2308 · Paper1853-1861
- BOARD OF COUNTY COMMISSIONERS (Road Record) · T2940 · Paper1828
- BOARD OF COUNTY COMMISSIONERS (Road Supervisor Accounts) · C876 · Paper1851-1889
- BOARD OF COUNTY COMMISSIONERS (Road Supervisor Appointments) · T2072 · Paper1886-1897
- BOARD OF COUNTY COMMISSIONERS (Road Supervisor Appointments) · C754 · Paper1851-1854
- BOARD OF COUNTY COMMISSIONERS (Transfer Book) · C896 · Paper1853-1866
- BOARD OF COUNTY COMMISSIONERS (Transfer Book) · T2068 · Paper1878-1897
- COMMISSIONER OF SLAVE STATISTICS (Slave Statistics) · C879 · Paper1868
- COMMISSIONER OF SLAVE STATISTICS (Slave Statistics) · CE14 · Electronic1868
- ELECTION JUDGES (Poll Book and Voter Lists) · T274 · Paper1808-1895
- ELECTION JUDGES (Poll Book) · C850 · Paper1789-1873
- OFFICERS OF REGISTRATION (Voter Registration Record) · C865 · Paper1868
- OFFICERS OF REGISTRATION (Voters List) · C822 · Paper1887
Tax records
- BOARD OF COUNTY COMMISSIONERS (Assessment Record) · C756 · Paper1852-1917
- BOARD OF COUNTY COMMISSIONERS (Assessment Record, Index) · C757 · Paper1867-1917
- BOARD OF COUNTY COMMISSIONERS (Assessment Record, Rough) · C877 · Paper1876-1896
- BOARD OF COUNTY COMMISSIONERS (Assessment Record, Slaves) · C2138 · Paper1852
- BOARD OF COUNTY COMMISSIONERS (Automobile Tax Record) · T2078 · Paper1915-1917
- BOARD OF COUNTY COMMISSIONERS (Federal Tax Collection Record) · C789 · Paper1862-1866
- BOARD OF COUNTY COMMISSIONERS (Mortgage Tax Record) · T2074 · Paper1846-1867
- BOARD OF COUNTY COMMISSIONERS (Tax Collection Ledger) · T2071 · Paper1860-1890
- BOARD OF COUNTY COMMISSIONERS (Tax Collection Ledger) · C885 · Paper1851-1852
- BOARD OF COUNTY COMMISSIONERS (Tax Collection Record) · T2802 · Paper1884-1898
- BOARD OF COUNTY COMMISSIONERS (Tax Collection Record) · C888 · Paper1876-1893
- BOARD OF COUNTY COMMISSIONERS (Tax List) · T2070 · Paper1897-1924
- BOARD OF COUNTY COMMISSIONERS (Tax Papers) · C891 · Paper1864-1889
- BOARD OF COUNTY COMMISSIONERS (Taxable Males List) · T2079 · Paper1871-1885
- CIRCUIT COURT (Federal Tax Lien Index) · T2197 · Paper1933-1976
- CIRCUIT COURT (Federal Tax Lien Record) · TM596 · Microfilm1995-1997
- CIRCUIT COURT (Plat Book, Assessment Copy) · C2956 · Paper1992
- CIRCUIT COURT (Plat Book, Assessment Copy) · T3903 · Paper1992
- COMMISSIONERS OF THE TAX (Assessment Record) · CM486 · Microfilm1798-1825
- COMMISSIONERS OF THE TAX (Assessment Record) · C755 · Paper1793-1841
- COMMISSIONERS OF THE TAX (Proceedings) · C852 · Paper1798-1800
- COMMISSIONERS OF THE TAX (Tax Collection Ledger) · C883 · Paper1842-1845
- COMMISSIONERS OF THE TAX (Tax Collection Record) · C886 · Paper1844-1845
- COMMISSIONERS OF THE TAX (Tax List, Alphabetical) · C889 · Paper1813-1838
- COMMISSIONERS OF THE TAX (Tax List, Duplicate) · C890 · Paper1824-1833
- COMMISSIONERS OF THE TAX (Transfer Book) · C895 · Paper1814-1840
- DEPARTMENT OF ASSESSMENTS AND TAXATION REAL PROPERTY VALUATION DIVISION (Assessment Record, Frederick, Electronic) · T3319 · Paper2000-2005
- LEVY COURT (Tax Collection Ledger) · C884 · Paper1845-1851
- LEVY COURT (Tax Collection Record) · C887 · Paper1845-1847
- SUPERVISOR OF ASSESSMENTS (Assessment Record) · C279 · Paper1918-1974
Court records
- BOARD OF COUNTY COMMISSIONERS (Road Docket) · C869 · Paper1853-1892
- CIRCUIT COURT (Abstracts of Releases) · CM462 · Microfilm1949-1966
- CIRCUIT COURT (Adoption Papers) · T1640 · Paper1947-2011
- CIRCUIT COURT (Agency Record) · T1371 · Paper1936-1996
- CIRCUIT COURT (Alienation Record) · T2824 · Paper1882-1884
- CIRCUIT COURT (Appeal Docket) · T171 · Paper1892-1955
- CIRCUIT COURT (Audit Reports) · CM466 · Microfilm1956-2000
- CIRCUIT COURT (Audit Reports) · T203 · Paper1938-2002
- CIRCUIT COURT (Audit Reports) · TM234 · Microfilm1984-1998
- CIRCUIT COURT (Auditors Reports) · T131 · Paper1890-1938
- CIRCUIT COURT (Bastardy Information Docket) · T2939 · Paper1949-1986
- CIRCUIT COURT (Beer License Record) · T2194 · Paper1934-1975
- CIRCUIT COURT (Bond Record) · TM235 · Microfilm1979-1986
- CIRCUIT COURT (Bond Record) · T179 · Paper1877-1986
- CIRCUIT COURT (Bond Record) · CM467 · Microfilm1977-1979
- CIRCUIT COURT (Bond Register) · T2827 · Paper1871-1884
- CIRCUIT COURT (Bonds and Commissions) · T186 · Paper1791-1892
- CIRCUIT COURT (Bonds, Constables) · T127 · Paper1845-1950
- CIRCUIT COURT (Campaign Reports) · T29 · Paper1919-1980
- CIRCUIT COURT (Certificates of Freedom) · C763 · Paper1855-1864
- CIRCUIT COURT (Certificates of Freedom) · CM1026 · Microfilm1855-1864
- CIRCUIT COURT (Charter Record) · T3587 · PaperDates not stated in catalog
- CIRCUIT COURT (Charter Record) · TM236 · Microfilm1983-1993
- CIRCUIT COURT (Charter Record) · CM469 · Microfilm1953-1983
- CIRCUIT COURT (Chattel Records) · T144 · Paper1940-1963
- CIRCUIT COURT (Chattel Records) · CM468 · Microfilm1952-1964
- CIRCUIT COURT (Chattel Records, Index) · T141 · Paper1873-1946
- CIRCUIT COURT (Civil Docket, Index) · T1378 · Paper1946-1984
- CIRCUIT COURT (Civil Papers) · T192 · Paper1900-2010
- CIRCUIT COURT (Claims Docket) · T177 · Paper1895-1995
- CIRCUIT COURT (Claims) · T194 · Paper1897-1971
- CIRCUIT COURT (Clerks Fee Book) · C770 · Paper1851-1858
- CIRCUIT COURT (Clerks Ledger) · T1376 · Paper1951-1976
- CIRCUIT COURT (Commission Record) · T2195 · Paper1955-1991
- CIRCUIT COURT (Commitment Docket) · T164 · Paper1842-1863
- CIRCUIT COURT (Condemnation Papers) · T1641 · Paper1956-1989
- CIRCUIT COURT (Conditional Contracts of Sale) · T145 · Paper1916-1958
- CIRCUIT COURT (Conditional Contracts of Sale, Index) · T168 · Paper1916-1964
- CIRCUIT COURT (Corporation Record) · T5504 · Book1868-1883
- CIRCUIT COURT (Court Papers) · C2890 · Paper1851
- CIRCUIT COURT (Court Papers) · T176 · Paper1738-1932
- CIRCUIT COURT (Court Papers, Exhibits) · T166 · Paper1850-1892
- CIRCUIT COURT (Court Papers, Mutual Insurance Co.) · T184 · Paper1844-1904
- CIRCUIT COURT (Court Reporter Tapes) · T3804 · Paper1982-1992
- CIRCUIT COURT (Criminal Appeal Docket) · T174 · Paper1916-1955
- CIRCUIT COURT (Criminal Appeals) · T104 · Paper1916-1937
- CIRCUIT COURT (Criminal Docket) · T138 · Paper1892-1960
- CIRCUIT COURT (Criminal Papers) · T193 · Paper1890, 1897-1966, 1984-2011
- CIRCUIT COURT (Crop Lien Record) · T148 · Paper1933-1955
- CIRCUIT COURT (Declaration of Residency List) · C730 · Paper1902-1949
- CIRCUIT COURT (Declaration of Residency) · T130 · PaperDates not stated in catalog
- CIRCUIT COURT (Declaration of Residency) · C139 · Paper1914-1948
- CIRCUIT COURT (Descent Record) · T2687 · PaperDates not stated in catalog
- CIRCUIT COURT (Descents) · T132 · PaperDates not stated in catalog
- CIRCUIT COURT (Docket) · T175 · Paper1814-1955
- CIRCUIT COURT (Election Returns) · CM472 · Microfilm1966-1978
- CIRCUIT COURT (Election Returns) · T153 · Paper1896-1972
- CIRCUIT COURT (Election Returns) · TM239 · Microfilm1980-1984
- CIRCUIT COURT (Election Returns, Original) · T187 · Paper1789-1980
- CIRCUIT COURT (Equity Docket) · C784 · Paper1851-1859
- CIRCUIT COURT (Equity Docket, Plaintiffs Index) · T188 · PaperDates not stated in catalog
- CIRCUIT COURT (Equity Papers) · C2852 · Paper1851
- CIRCUIT COURT (Equity Papers) · T158 · Paper1807-1993
- CIRCUIT COURT (Equity Record) · CM473 · Microfilm1895-1988
- CIRCUIT COURT (Equity Record) · C2477 · Paper1851-1980
- CIRCUIT COURT (Equity Record) · CE8 · Electronic1851-1988
- CIRCUIT COURT (Equity Record) · TM240 · Microfilm1977-1987
- CIRCUIT COURT (Equity Record) · T2936 · Paper1815-1969
- CIRCUIT COURT (Equity Record, Index) · CM1529 · Microfilm1816-1984
- CIRCUIT COURT (Equity Record, Index) · C786 · Paper1868
- CIRCUIT COURT (Equity Record, Index) · TM536 · Microfilm1823-1924
- CIRCUIT COURT (Equity Transcript Docket) · T159 · Paper1880-1889
- CIRCUIT COURT (Factor Lien Record) · T2196 · Paper1949-1963
- CIRCUIT COURT (Federal Farm Credit Lien Record) · T183 · Paper1935-1964
- CIRCUIT COURT (Financing Record) · TM241 · Microfilm1983-1995
- CIRCUIT COURT (Financing Record) · CM475 · Microfilm1964-1984
- CIRCUIT COURT (Financing Statements, Index) · T3588 · PaperDates not stated in catalog
- CIRCUIT COURT (Grand Jury Papers) · C793 · Paper1854-1896
- CIRCUIT COURT (Grand Jury Witness Docket) · T2803 · Paper1909-1914
- CIRCUIT COURT (Homeowners Association Record) · CE554 · ElectronicDates not stated in catalog
- CIRCUIT COURT (Homeowners Association Record) · TM475 · Microfilm1990-1995
- CIRCUIT COURT (Hospital Lien Record) · T1379 · Paper1939-1977
- CIRCUIT COURT (Insolvency Claims) · T195 · Paper1868-1942
- CIRCUIT COURT (Insolvency Docket) · T2198 · Paper1860-1942
- CIRCUIT COURT (Insolvency Docket) · C805 · Paper1851-1860
- CIRCUIT COURT (Insolvency Papers) · T185 · Paper1789-1932
- CIRCUIT COURT (Insolvency Record) · C803 · Paper1887-1934
- CIRCUIT COURT (Judges Docket) · T110 · Paper1868-1899
- CIRCUIT COURT (Judgment Docket, Mutual Insurance Co.) · T150 · Paper1844-1904
- CIRCUIT COURT (Judgment List) · T2804 · Paper1903-1930
- CIRCUIT COURT (Judgment Transcripts) · C812 · Paper1852-1863
- CIRCUIT COURT (Judgment Transcripts, Index) · T160 · Paper1893-1902
- CIRCUIT COURT (Judgments, Index) · T169 · Paper1869-1998
- CIRCUIT COURT (Judicial Docket) · T173 · Paper1866-1984
- CIRCUIT COURT (Judicial Record) · TM242 · Microfilm1976
- CIRCUIT COURT (Judicial Record) · T2937 · Paper1866-1989
- CIRCUIT COURT (Judicial Record) · CM483 · Microfilm1969-1976
- CIRCUIT COURT (Jury Papers) · T196 · Paper1901-2002
- CIRCUIT COURT (Jury Record) · T146 · Paper1897-1969
- CIRCUIT COURT (Juvenile Docket) · T3168 · Paper1917-1991
- CIRCUIT COURT (Ledger) · T1818 · Paper1938-1990
- CIRCUIT COURT (License Record) · T181 · Paper1845-1993
- CIRCUIT COURT (License Record, Special) · T180 · Paper1916-1947
- CIRCUIT COURT (Licenses on Hand) · T2801 · Paper1909-1913
- CIRCUIT COURT (Liquor License Docket) · T161 · Paper1906-1934
- CIRCUIT COURT (Magistrates Judgments) · C824 · Paper1886-1889
- CIRCUIT COURT (Magistrates Judgments) · T137 · Paper1837-1972
- CIRCUIT COURT (Mechanics Lien Record) · T135 · Paper1848-1977
- CIRCUIT COURT (Mechanics Lien Record) · CM495 · Microfilm1960-1977
- CIRCUIT COURT (Midwives Register) · T1399 · Paper1910-1965
- CIRCUIT COURT (Minutes) · T4947 · Paper1763-1768
- CIRCUIT COURT (Minutes) · T126 · Paper1885-1987
- CIRCUIT COURT (Minutes) · C832 · Paper1851-1936
- CIRCUIT COURT (Miscellaneous Court Papers) · T197 · Paper1874-1994
- CIRCUIT COURT (Miscellaneous Docket) · T140 · Paper1869-1976
- CIRCUIT COURT (Miscellaneous Papers) · C834 · Paper1855-1896
- CIRCUIT COURT (Miscellaneous Papers) · T189 · Paper1788-1986
- CIRCUIT COURT (Notary Public Protest Record) · T162 · Paper1845-1864
- CIRCUIT COURT (Notary Public Protest Record) · C841 · Paper1889-1892
- CIRCUIT COURT (Officials Record) · T154 · Paper1897-1912
- CIRCUIT COURT (Optometry Register) · T1387 · Paper1914-1957
- CIRCUIT COURT (Original Docket) · T178 · Paper1889-1955
- CIRCUIT COURT (Partnership Record) · T3589 · Paper1959-1993
- CIRCUIT COURT (Partnership Record) · CM505 · Microfilm1968-1983
- CIRCUIT COURT (Partnership Record) · TM244 · Microfilm1977-1988
- CIRCUIT COURT (Partnership Record, Index) · T3590 · Paper1959-1993
- CIRCUIT COURT (Paternity Papers) · T2767 · Paper1963-2005
- CIRCUIT COURT (Petitions) · C848 · Paper1855-1896
- CIRCUIT COURT (Physicians and Surgeons Register) · T1365 · Paper1893-1980
- CIRCUIT COURT (Qualification Record) · C856 · Paper1879-1882
- CIRCUIT COURT (Qualifications) · C859 · Paper1855-1866
- CIRCUIT COURT (Ratification Papers) · C861 · Paper1851-1859
- CIRCUIT COURT (Recognizance Docket) · T133 · Paper1892-1984
- CIRCUIT COURT (Release Records) · T924 · Paper1938-1982
- CIRCUIT COURT (Releases and Assignments) · T2201 · Paper1909-1970
- CIRCUIT COURT (Releases and Assignments, Index) · T1374 · Paper1970-1971
- CIRCUIT COURT (Replevin Papers) · CM499 · Microfilm1971
- CIRCUIT COURT (Road Record) · CM507 · Microfilm1852-1854
- CIRCUIT COURT (Road Record) · C874 · Paper1852-1853
- CIRCUIT COURT (Sheriffs Fee Book) · T172 · Paper1818-1832
- CIRCUIT COURT (Stallion Liens) · T134 · Paper1891-1937
- CIRCUIT COURT (State License Record) · T182 · Paper1911-1961
- CIRCUIT COURT (Stet Docket) · T125 · Paper1866-1969
- CIRCUIT COURT (Stet Papers) · T124 · Paper1870-1920
- CIRCUIT COURT (Supersedeas Docket) · T136 · Paper1859-1919
- CIRCUIT COURT (Supersedeas Papers) · C2955 · Paper1860-1920
- CIRCUIT COURT (Supersedeas Record) · C882 · Paper1851-1859
- CIRCUIT COURT (Test Book) · C893 · Paper1851-1949
- CIRCUIT COURT (Test Book) · T2202 · Paper1828-1995, 1999-2014
- CIRCUIT COURT (Test Book, Election Officers) · T2069 · Paper1896-1902
- CIRCUIT COURT (Test Book, Index) · T2805 · Paper1880-1884
- CIRCUIT COURT (Threshers Lien Record) · T1380 · Paper1914-1939
- CIRCUIT COURT (Transcript Docket) · T143 · Paper1863-1970
- CIRCUIT COURT (Voter Removal Affidavits) · T147 · Paper1901-1905
- CIRCUIT COURT (Voters List) · T2067 · Paper1872-1880
- CIRCUIT COURT (Weights and Measures) · T163 · Paper1827-1828
- CIRCUIT COURT (Zoning Maps) · C2322 · Paper1959-1972
- COURT (Certificates of Freedom) · C761 · Paper1806-1827
- COURT (Certificates of Freedom) · CM1198 · Microfilm1806-1827
- COURT (Clerks Account Book) · C768 · Paper1777-1782
- COURT (Clerks Fee Book) · C769 · Paper1792-1851
- COURT (Coroners Inquests) · C772 · Paper1778-1789
- COURT (Court Orders, Paid, Original) · T4959 · PaperDates not stated in catalog
- COURT (Court Papers) · C773 · Paper1749-1788
- COURT (Criminal Docket) · C776 · Paper1830-1838
- COURT (Docket) · C782 · Paper1748-1850
- COURT (Equity Docket) · C783 · Paper1807-1851
- COURT (Equity Papers) · C1455 · Paper1792, 1795, 1807-1822, 1866
- COURT (Equity Record) · C785 · Paper1815-1851
- COURT (Equity Record) · CE7 · Electronic1815-1851
- COURT (Estray Record) · C788 · Paper1765-1785
- COURT (Grand Jury Papers) · C792 · Paper1784-1847
- COURT (Insolvency Docket) · C804 · Paper1828-1851
- COURT (Insolvency Docket, Index) · C806 · Paper1845
- COURT (Insolvency Papers) · C801 · Paper1826-1828
- COURT (Insolvency Record) · C802 · Paper1846
- COURT (Judgment Record) · C810 · Paper1748-1851
- COURT (Judgment Record) · CM482 · Microfilm1748-1766
- COURT (Judgment Transcripts) · C811 · Paper1818-1851
- COURT (Judicial Docket) · C813 · Paper1813-1815
- COURT (Levy List) · C818 · Paper1785-1794
- COURT (Minutes) · CM497 · Microfilm1750-1775
- COURT (Minutes) · C831 · Paper1750-1851
- COURT (Miscellaneous Papers) · C833 · Paper1818-1848
- COURT (Petitions) · C847 · Paper1783-1847
- COURT (Qualifications) · C858 · Paper1816-1847
- COURT (Ratification Papers) · C860 · Paper1838-1849
- COURT (Reference Docket) · C863 · Paper1786-1809
- COURT (References) · C864 · Paper1768
- COURT (Road Record) · CM508 · Microfilm1816-1851
- COURT (Road Record) · C871 · Paper1816-1851
- COURT (Supersedeas Record) · C881 · Paper1819-1851
- COURT (Test Book) · C892 · Paper1777-1851
- COURT (Tobacco Inspection Proceedings) · CM511 · Microfilm1748-1769
- COURT (Tobacco Inspection Proceedings) · C894 · Paper1748-1791
- COURT OF OYER AND TERMINER AND GAOL DELIVERY (Proceedings) · C853 · Paper1814-1815
- COURT OF OYER AND TERMINER AND GAOL DELIVERY (Subpoena Docket) · C880 · Paper1781
- JUSTICE OF THE PEACE (Docket) · C823 · Paper1814-1820
- LEVY COURT (Frederick and Harpers Ferry Road Proceedings) · C790 · Paper1830-1851
- LEVY COURT (Levy List) · C819 · Paper1795-1851
- LEVY COURT (Proceedings) · C851 · Paper1795-1851
- LEVY COURT (Road Book) · C872 · Paper1819-1851
- LEVY COURT (Road Descriptions) · C867 · Paper1841-1851
- LEVY COURT (Road Record) · C2307 · Paper1825-1845
- LEVY COURT (Road Supervisor Accounts) · C875 · Paper1832-1851
- LEVY COURT (Road Supervisor Appointments) · C753 · Paper1841-1851
Marriages, births and deaths
- BOARD OF HEALTH (Death Record) · C779 · Paper1898-1915
- CIRCUIT COURT (Birth Certificates) · C759 · Paper1865-1873
- CIRCUIT COURT (Birth Record) · T2938 · Paper1865-1879
- CIRCUIT COURT (Death Certificates) · C777 · Paper1865-1881
- CIRCUIT COURT (Death Record) · C778 · Paper1865-1881
- CIRCUIT COURT (Divorce Decrees) · TM238 · Microfilm1983-1999
- CIRCUIT COURT (Divorce Decrees) · CM470 · Microfilm1919-1983
- CIRCUIT COURT (Marriage License Applications) · T170 · Paper1938-1941, 1999-2011
- CIRCUIT COURT (Marriage License Waivers) · T2199 · Paper1943-1956
- CIRCUIT COURT (Marriage Licenses) · C826 · Paper1851-1886
- CIRCUIT COURT (Marriage Licenses) · TM547 · Microfilm1941-1994
- CIRCUIT COURT (Marriage Licenses, Female Index) · CM471 · Microfilm1851-1865
- CIRCUIT COURT (Marriage Licenses, Index) · C828 · Paper1851-1865
- CIRCUIT COURT (Marriage Licenses, Male Index) · CM480 · Microfilm1851-1865
- CIRCUIT COURT (Marriage Record) · CM494 · Microfilm1865-1993
- CIRCUIT COURT (Marriage Record) · TE140 · Electronic1909-1910
- CIRCUIT COURT (Marriage Record) · C829 · Paper1865-1888
- CIRCUIT COURT (Marriage Record) · T2585 · Paper1915-1999, 2002-2005
- CIRCUIT COURT (Marriage Record) · TM558 · MicrofilmDates not stated in catalog
- CIRCUIT COURT (Marriage Record, Index) · C830 · Paper1865-1890
- CIRCUIT COURT (Marriage Register) · T2200 · Paper1964-1997
- CIRCUIT COURT (Marriage Returns) · T4981 · Paper1998-2012
- COURT (Marriage Licenses) · C825 · Paper1779-1851
- COURT (Marriage Licenses, Female Index) · CM492 · Microfilm1778-1851
- COURT (Marriage Licenses, Index) · C827 · Paper1778-1851
- COURT (Marriage Licenses, Male Index) · CM493 · Microfilm1778-1851
Census records
Church records
Naturalization records
- CIRCUIT COURT (Declaration of Intention) · C780 · Paper1929-1954
- CIRCUIT COURT (Declaration of Intention) · T129 · Paper1907-1928
- CIRCUIT COURT (Naturalization Certificates) · C765 · Paper1907-1958
- CIRCUIT COURT (Naturalization Orders) · C837 · Paper1930-1958
- CIRCUIT COURT (Naturalization Papers) · C839 · Paper1854-1933
- CIRCUIT COURT (Naturalization Petitions) · C849 · Paper1930-1957
- CIRCUIT COURT (Naturalization Record) · T2688 · Paper1799-1930
- COURT (Naturalization Papers) · C838 · Paper1798-1836
- COURT (Naturalization Record) · C840 · Paper1785-1799
Military records
- CIRCUIT COURT (Military Discharges) · TM237 · MicrofilmDates not stated in catalog
- CIRCUIT COURT (Military Discharges) · CM496 · Microfilm1953-1978
Other records
- DEPARTMENT OF PUBLIC WORKS (Road and Bridge Plans) · T4372 · PaperDates not stated in catalog
- OFFICE OF THE COUNTY ATTORNEY (Ordinances) · T4399 · PaperDates not stated in catalog
- OFFICE OF THE COUNTY ATTORNEY (Ordinances) · C2982 · Paper2008
Poor relief and institutions
See the repository's descriptions and search options
Repository access note: Selected Maryland State Archives catalog series. Separate paper, microfilm and electronic catalog records may describe overlapping material; the format and series identifier are retained in each title. Electronic does not guarantee unrestricted online images. Consult the individual series page for restrictions, location and missing volumes.
Sources: the catalogs and repository descriptions linked on the entries above. Selected inventories do not establish complete coverage of every record type or online access to original documents. Read the repository access note for source dates and limitations.
Where to find the records
- Frederick County official website
Hours, addresses and phone numbers for the clerk of the circuit court and the register of wills, and any online record search the county offers.
- The clerk of the circuit court
Land records and marriage licenses, and civil and criminal cases.
- The register of wills
Wills, estates and guardianships.
- The Maryland State Archives
In Annapolis: most of the counties' older records, from colonial land and probate records to court and church records.
- Maryland State Archivesfree
The state archives in Annapolis, with most of Maryland's older county records and its online land records (MDLandRec).
- FamilySearch Catalogfree
Search by place for "Maryland, Frederick" to find filmed and digitized records, many viewable free online with a FamilySearch account.
Offices change their hours and access rules; call before you visit.
Boundaries and parent counties
Formed from: Prince Georges County (extinct)
Later formed partly from Frederick County: Carroll County, Montgomery County, Washington County
Records stay with the county that created them. If your ancestor lived here before 1748, search the parent county. The Atlas of Historical County Boundaries shows each boundary change.
Research tip
Maryland's land records from colonial times to the present are online at MDLandRec, run by the State Archives, with a free account (check its current terms for recent records). Baltimore City has kept its own records, separate from Baltimore County, since 1851.