Keystone Genealogy (in Pennington County, SD)
USA (1,379,301) > South Dakota (12,519) > Pennington County (308) > Keystone (31)
NOTE: Additional records that apply to Keystone are also found through the Pennington County and South Dakota pages.
Keystone Birth Records
1856-1917 South Dakota Births Ancestry 
South Dakota, Birth Records, 1905-present South Dakota Department of Health
Keystone Cemetery Records
Keystone Cemetery Find a Grave
Keystone Cemetery Billion Graves
Mountain View Cemetery Interment
Mountain View Cemetery South Dakota Gravestones
South Dakota, Cemetery Index, 1831-2008 Ancestry
Keystone Census Records
1905 South Dakota State Census MyHeritage
1905 South Dakota State Census Ancestry
1915 South Dakota State Census MyHeritage
1915 South Dakota State Census Ancestry
1925 South Dakota State Census MyHeritage
1925 South Dakota State Census Ancestry
1935 South Dakota State Census MyHeritage
1935 South Dakota State Census Ancestry
1945 South Dakota State Census MyHeritage
1945 South Dakota State Census Ancestry
U.S. Federal Census 1790-1950 Ancestry
U.S. Federal Census 1790-1950 MyHeritage
United States Federal Census, 1790-1950 Family Search
Keystone City Directories
Gazetter Publishing Co. Business Directory 1909 US Gen Web Archives
Keystone Death Records
1879-1955 South Dakota Death Index Ancestry
Obituaries in Rapid City (S.D.) Daily Journal, 1975-1998 FamilySearch Library
South Dakota, Death Records, 1905-present South Dakota Department of Health
Keystone Immigration Records
Declarations of intention 1907-1972, and other naturalization records 1879-1953: Pennington County, South Dakota FamilySearch Library
South Dakota, Federal Naturalization Records, 1904-1928 Ancestry
Keystone Marriage Records
1905-2017 South Dakota Marriages Ancestry
Early marriage records prior to 1891, mostly in Pennington County FamilySearch Library
South Dakota, Marriage Records, 1905-present South Dakota Department of Health
Keystone Newspapers and Obituaries
Obituaries in Rapid City (S.D.) Daily Journal, 1975-1998 FamilySearch Library
Keystone Probate Records
North Dakota and South Dakota, Wills and Probate Records, 1800-1985 Ancestry
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