Summit County, Utah Genealogy Records

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

Selected inventory review: 2026-11-02. Selected repository catalog metadata reviewed. This is not a complete holdings audit or certification of current access. See the repository note for limitations. Official repository catalog or holdings guide

Formed
1854
County seat
Coalville
Box Elder CountyCache CountyCarbon CountyDaggett CountyDavis CountyDuchesne CountyEmery CountyGrand CountyJuab CountyMillard CountyMorgan CountyRich CountySanpete CountyTooele CountyUintah CountyUtah CountyWasatch CountyWeber CountySalt Lake CountySummit CountyBox ElderCacheCarbonDaggettDavisDuchesneJuabRichTooeleUintahUtahWasatchWeberSalt LakeSummit
Summit CountyParent county (search here for earlier records)Today's boundaries · U.S. Census Bureau

Listed record inventories

Selected holdings and indexes for Summit 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 Utah State Archives county series whose catalog primary classification is Public, excluding nonpublic secondary classifications. Classification does not certify unrestricted access to every item. Dates and creating offices come from the catalog; open ends do not establish current coverage. Confirm holdings, restrictions and formats with the Archives.

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: Green River County (Utah Territory, extinct), Great Salt Lake County (now Salt Lake)

Check the parent county for earlier records: Salt Lake County

Later formed partly from Summit County: Cache County, Daggett County, Morgan County, Uintah County, Wasatch County

WeberUtahDesert (Utah Terr., extinct)TooeleDavisGreat Salt LakeGreen River (Utah Terr., extinct)SummitSummitGreat Salt LakeDavis
Summit as created in 1854Where 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 1854, search the parent county. The Atlas of Historical County Boundaries shows each boundary change.

Research tip

Utah began statewide registration of births and deaths in 1905. The FamilySearch Library in Salt Lake City holds the largest genealogy collection in the world, and many Utah records are online there.