Jefferson Genealogy (in Union County, SD)
USA (1,403,636) > South Dakota (12,784) > Union County (250) > Jefferson (36)
NOTE: Additional records that apply to Jefferson are also found through the Union County and South Dakota pages.
Jefferson Birth Records
1843-1919 South Dakota Birth Index MyHeritage 
South Dakota Births, 1856-1917 Ancestry
South Dakota, Birth Records, 1905-present South Dakota Department of Health
Jefferson Cemetery Records
Civil Bend Cemetery South Dakota Gravestones
Civil Bend Cemetery Billion Graves
Civil Bend Cemetery Find a Grave
Saint Peters Cemetery Find a Grave
South Dakota, Cemetery Index, 1831-2008 Ancestry
St. Peter's Catholic Cemetery US Gen Web Archives
St. Peter's Catholic Cemetery US Gen Web Archives
St. Peter's Cemetery Billion Graves
Texas Colony Cemetery US Gen Web Archives
Jefferson Census Records
1899 United States Federal Census Fragment Ancestry
1905 South Dakota State Census MyHeritage
1915 South Dakota State Census MyHeritage
1925 South Dakota State Census MyHeritage
1935 South Dakota State Census MyHeritage
1945 South Dakota State Census MyHeritage
South Dakota State Census, 1905 Ancestry
South Dakota State Census, 1915 Ancestry
South Dakota State Census, 1925 Ancestry
South Dakota State Census, 1935 Ancestry
South Dakota State Census, 1945 Ancestry
U.S. Federal Census 1790-1950 MyHeritage
U.S. Federal Census 1790-1950 Ancestry
United States Federal Census, 1790-1950 Family Search
Jefferson Death Records
South Dakota Death Index, 1879-1955 Ancestry
South Dakota, Death Records, 1905-present South Dakota Department of Health
United States Obituary Index from Online Sources MyHeritage
Jefferson Histories and Genealogies
FamilySearch Family Tree MyHeritage
MyHeritage Family Trees MyHeritage
Jefferson Immigration Records
South Dakota, Federal Naturalization Records, 1904-1928 Ancestry
Jefferson Marriage Records
South Dakota Marriages, 1905-2017 Ancestry
South Dakota, Marriage Records, 1905-present South Dakota Department of Health
Jefferson Newspapers and Obituaries
United States Obituary Index from Online Sources MyHeritage
Jefferson School Records
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