Hudson County, New Jersey Genealogy Records

Selected record inventories for Hudson County, their listed years, and where to ask for access.

Selected inventory review: 2026-11-02. Selected collection metadata checked against repository catalog descriptions. This is not a complete holdings audit, examination of original records, or certification of current access. See the access note for limitations. Repository catalog or holdings guide

Formed
1840
County seat
Jersey City
Essex CountyMiddlesex CountyMorris CountyPassaic CountySomerset CountySussex CountyUnion CountyBergen CountyHudson CountyEssexMorrisPassaicSomersetSussexUnionBergenHudson
Hudson CountyParent county (search here for earlier records)Today's boundaries · U.S. Census Bureau

Listed record inventories

Selected holdings and indexes for Hudson County, checked against the repository descriptions linked below. Date spans may contain gaps; an index is not a complete set of original records.

See the repository's descriptions and search options

Repository access note: Selected county-created series from the New Jersey State Archives current searchable catalog. Dates, series identifiers and creating offices are retained. Statewide records appearing in county searches were excluded. A catalog entry may describe paper or microfilm held on site; consult its format, restrictions and detailed contents before requesting access.

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

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

Boundaries and parent counties

Formed from: Bergen County

Check the parent county for earlier records: Bergen County

MorrisSussexPassaicEssexSomersetMiddlesexBergenHudsonHudsonBergenMorrisSussexPassaicEssexSomerset
Hudson as created in 1840Where 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 1840, search the parent county. The Atlas of Historical County Boundaries shows each boundary change.

Research tip

New Jersey began statewide registration in 1848, earlier than most states. The State Archives holds those records for the early years and also the wills proved before 1901.