Blue Earth County, Minnesota Genealogy Records

Which records survive from Blue Earth County, the years each set covers, and where to find them.

Formed
1853
County seat
Mankato
Brown CountyFaribault CountyFreeborn CountyJackson CountyLe Sueur CountyMartin CountyNicollet CountyRenville CountyRice CountyScott CountySibley CountySteele CountyWaseca CountyWatonwan CountyDakota CountyBlue Earth CountyBrownFaribaultFreebornLe SueurMartinNicolletSteeleWasecaWatonwanBlue Earth
Blue Earth CountyParent county (search here for earlier records)Today's boundaries · U.S. Census Bureau

Records that survive

These are the record series from Blue Earth County held by the Minnesota Historical Society in St. Paul, taken from its finding aids for the county's offices, with the office that kept each and the earliest and latest years. A span can include gaps.

Wills and estates

  • Probate actions registers and indexes · Probate Court1858–1950

Court records

  • Register of Criminal Actions · County Attorney1884–1933
  • Jail Registers · Sheriff1886–1987

Schools

  • Miscellany · Superintendent of Schools1890–1958
  • Teacher’s annual reports · Superintendent of Schools1893–1964
  • Record of pupil examinations · Superintendent of Schools1895–1898
  • Teacher examination record book · Superintendent of Schools1900–1914
  • Record of teacher certificates and diplomas · Superintendent of Schools1901–1916
  • Teacher record cards · Superintendent of Schools1914–1932
  • County superintendent’s correspondence · Superintendent of Schools1915–1951
  • Teacher insurance and retirement record book · Superintendent of Schools1916–1929
  • Teacher retirement fund ledger A · Superintendent of Schools1916–1931
  • Final term reports · Superintendent of Schools1932–1953
  • Student census · Superintendent of Schools1936–1964
  • [Quarterly] term reports · Superintendent of Schools1955–1965
  • Reorganization of Mankato and North Mankato schools · Superintendent of Schools1957

County government

  • Financial Records · County Auditor1875–1974

Search the Historical Society's catalog for this county

Source: Minnesota Historical Society, government records finding aids. The Society holds only part of each county's records; most deeds and many court and vital records are still at the county. Minnesota began statewide registration of births in 1900 and of deaths in 1908.

Where to find the records

Offices change their hours and access rules; call before you visit.

Boundaries and parent counties

Formed from: Dakota County

Check the parent county for earlier records: Dakota County

Later formed partly from Blue Earth County: Brown County, Faribault County, Freeborn County, Steele County

ItascaWashingtonPembinaChisagoCassRamseyBentonWabashaHennepinDakotaBlue EarthBlue EarthItascaPembinaCass
Blue Earth as created in 1853Where its land was the day beforeToday's boundaryBoundaries: Newberry Library, Atlas of Historical County Boundaries

Records stay with the county that created them. If your ancestor lived here before 1853, search the parent county. The Atlas of Historical County Boundaries shows each boundary change.

Research tip

Minnesota took its own census in 1865, 1875, 1885, 1895 and 1905. They are indexed in the Historical Society's People Records Search (not every county appears in every year), and the 1905 census, like the 1895 census for men over 21, says how long each person had lived in the state and in the district, a clue to when a family arrived.