| 851 | S16144775177 | Snöstorp AI:2 (1833-1848) | — |
| 852 | S16144775175 | Snöstorp AI:3 (1848-1854) | — |
| 853 | S16144775172 | Snöstorp AI:4 (1855-1863) | — |
| 854 | S16144775171 | Snöstorp AI:5 (1861-1870) | — |
| 855 | S16144775170 | Snöstorp AI:6 (1871-1880) | — |
| 856 | S16144775174 | Snöstorp CI:3 (1792-1843) | — |
| 857 | S16144775173 | Snöstorp CI:4 (1844-1875) | — |
| 858 | S8029498572 | Social Security Death Index | — |
| 859 | S8072068437 | Social Security Death Index | — |
| 860 | S8072387462 | Social Security Death Index | — |
| 861 | S8072387565 | Some Account of the Cone Family In America | William Whitney Cone |
| 862 | S5351729614 | Some Corrections and Additions to the Complete Peerage, www.uk-genealogy.org.uk/cp/index.shtml | — |
| 863 | S8072066218 | Sophie Mongeon, GenCircles | Sophie Mongeon, sophie@chezso.com |
| 864 | S8072387464 | South Dakota Births, 1856 - 1903 | — |
| 865 | S8072387466 | South Dakota Marriages, 1905 - 1949 | — |
| 866 | S16144775268 | South Dakota, U.S., Marriages, 1905-2018 | Ancestry.com |
| 867 | S16144775343 | South Dakota, U.S., Marriages, 1905-2024 (Ancestry.com) | — |
| 868 | S16144775344 | South Dakota, U.S., State Census, 1905 | — |
| 869 | S16144775345 | South Dakota, U.S., State Census, 1915 | — |
| 870 | S16144775342 | South Dakota, U.S., State Census, 1915 (Ancestry.com) | — |
| 871 | S16144775341 | South Dakota, U.S., State Census, 1925 (Ancestry.com) | — |
| 872 | S8029499346 | Southern Voices Family Home Page | Davis, Patsy Spradley |
| 873 | S16144775087 | Southside Virginia Families | John Bennett Boddie |
| 874 | S16144775014 | Spencer Daily Reporter, Spencer, Iowa | http://www.spencerdailyreporter.com/ |
| 875 | S8072387441 | Springfield News-Sun | — |
| 876 | S16144775048 | Springfield, Ohio, Rural Farm Directory | http://all-ancestors.com |
| 877 | S8072384426 | St. James Parish Register, Maryland, 1787-1815 | Kinard, June |
| 878 | S16144775360 | St. Lawrence, New York. Court Minutes 1877-1878, 1878-1879, Naturalization Records 1877-1878, 1878-1879 | — |
| 879 | S16144775361 | St. Lawrence, New York. Guardianship Records 1895-1900, Probate Records 1895-1900 | — |
| 880 | S16144775286 | St. Louis County, Minnesota, U.S., Marriage Index, 1871-1894 | Ancestry.com |
| 881 | S8072387521 | Staffordshire, England: Parish and Probate Records | Ancestry.com |
| 882 | S8029498696 | Stark County, Ohio - Death Certificate | — |
| 883 | S8029498710 | Stark County, Ohio - Marriage Registration | — |
| 884 | S8029499173 | Stark County, Ohio Death Records | — |
| 885 | S8029499156 | Stark County, Ohio Marriage Application | — |
| 886 | S8029499159 | Stark County, Ohio Probate File online through Stark County Probate Court | — |
| 887 | S8072066340 | Stars and Stripes Newspaper, WWII Europe and North Africa Editions, 1942-1958 | National Archives, Washington, D.C. |
| 888 | S8029499300 | Stella Hagan Lehr | — |
| 889 | S8072066329 | Stevens Point Daily Journal (Stevens Point, Wisconsin) | — |
| 890 | S8072066187 | Stine, Smith, Saulnier and Lemieux families | Tim Stuart |
| 891 | S8029499278 | Stroud Cemetery, Stroud, Lincoln County, Oklahoma | — |
| 892 | S16144775195 | Strövelstorp AI:5 (1823-1827) | — |
| 893 | S16144775196 | Strövelstorp AI:7 (1827-1832) | — |
| 894 | S5352313882 | Sue Chism at ... mchism@cei.net | — |
| 895 | S8029499477 | Sullivan County, Indiana Marriage Records | — |
| 896 | S16144775114 | Supplement to Richard Higgins and his descendants | Higgins, Katharine Elizabeth Chapin |
| 897 | S8029499339 | Susan Johnson, Hutchinson, Kansas Genealogist, personal research at the Hutchinson Library | — |
| 898 | S8072066213 | Susan Orient, susanorient@mchsi.com, WorldConnect | — |
| 899 | S8072387486 | Sussex County, Delaware Probate Records, 1680-1800 | Ancestry.com |
| 900 | S2600187875 | Suzanne Batchler Schwarzwalder070103.FTW | — |