| City or Town |
Sidney Plains, NY |
Delaware County, NY |
| City or Town |
Sidney, NY |
Delaware County, NY |
| County |
Sierra County, CA |
California |
| Nation |
Sierra Leone |
Africa |
| City or Town |
Silver Spring Township, PA |
Cumberland County, PA |
| City or Town |
Simmesport, LA |
Avoyelles Parish, LA |
| County |
Simpson County, KY |
Kentucky |
| County |
Simpson County, MS |
Mississippi |
| City or Town |
Simsbury, CT |
Hartford County, CT |
| City or Town |
Sing Sing, NY |
Westchester County, NY |
| City or Town |
Sinickson, VA |
Accomack County, VA |
| Location or Site |
Sinking Spring Cemetery, Abingdon, VA |
Abingdon, VA |
| City or Town |
Sinking Springs, PA |
Berks County, PA |
| City or Town |
Sinsheim, Germany |
Germany |
| City or Town |
Sioux City, IA |
Plymouth County, IA |
| City or Town |
Sioux Falls, SD |
Minnehaha County, SD |
| County |
Siskiyou County, CA |
California |
| City or Town |
Sistersville, VA |
Tyler County, VA |
| City or Town |
Sitka, AK |
Alaska |
| Location or Site |
Sixth Street Wharf, Washington, D.C. |
Washington, DC |
| County |
Skamania County, WT |
Washington Territory |
| City or Town |
Skaneateles, NY |
Onondaga County, NY |
| City or Town |
Skowhegan, ME |
Somerset County, ME |
| Location or Site |
Sleepy Hollow Cemetery, Concord, MA |
Concord, MA |
| City or Town |
Sleepy Hollow, NY |
Westchester County, NY |
| County |
Smith County, MS |
Mississippi |
| County |
Smith County, TN |
Tennessee |
| County |
Smith County, TX |
Texas |
| City or Town |
Smithfield, VA |
Wetzel County, VA |
| City or Town |
Smithland, KY |
Livingston County, NY |
