| Name | Birth date | Relationship with Michael McGrath |
|---|
| Samko, Thomas Andrew | 11/21/1978 | 4th cousin |
| Santana, Lucille Rose | 1/25/1945 | Wife of the 3rd cousin |
| Schmansky, Brian John | 6/18/1988 | 4th cousin |
| Schmansky, Clifford Bernard | | Husband of the 2nd cousin twice removed |
| Schmansky, Julie Ann | 6/8/1960 | 3rd cousin once removed |
| Schmansky, Julie Ann | 6/13/1992 | 4th cousin |
| Schmansky, Mark Francis | 1/8/1955 | 3rd cousin once removed |
| Schmansky, Mary Cathryn | 11/23/1948 | 3rd cousin once removed |
| Schmansky, Matthew Mark | 8/8/1989 | 4th cousin |
| Schmansky, Maureen Katherine | 7/17/1996 | 4th cousin |
| Schmansky, Meghan | 8/21/1985 | 4th cousin |
| Schmansky, Michael Scott | 8/8/1982 | 4th cousin |
| Schmansky, Paul Bernard | 9/13/1950 | 3rd cousin once removed |
| Schmansky, Robert Paul | 6/15/1978 | 4th cousin |
| Schmansky, Susan Ann | 8/25/1952 | 3rd cousin once removed |
| Seager | | Husband of the 1st cousin 3 times removed |
| Seager, 6MoreKids | | 3rd cousin once removed |
| Seager, Mary Catharine | | 2nd cousin twice removed |
| Seager, Twins1 | | 3rd cousin once removed |
| Seager, Twins2 | | 3rd cousin once removed |
| Shopik, Bill | | Husband of the 2nd cousin twice removed |
| Shopik, Jerry | | 3rd cousin once removed |
| Shopik, Kevin | | 3rd cousin once removed |
| Shopik, Randy | | 3rd cousin once removed |
| Shopik, Tim | | 3rd cousin once removed |
| Shopik, Wendy | | 3rd cousin once removed |
| Shortt, Francis Jerome | | Husband of the 2nd cousin twice removed |
| Sim, Erin Terese | 4/18/1951 | 3rd cousin once removed |
| Sim, John Cameron | 9/23/1878 | Husband of the 1st cousin 3 times removed |
| Sim, John Cameron | 2/7/1911 | 2nd cousin twice removed |
| Sim, John Cameron | 7/15/1959 | 3rd cousin once removed |
| Sim, Mary Dorothy | 5/7/1912 | 2nd cousin twice removed |
| Sipes, Judith | | Wife of the uncle |
| Siptak, Jo Ann | | Wife of the 3rd cousin |
| Slater, Margaret | | Wife of the 1st cousin 3 times removed |
| Small, Mary Alice | | Wife of the 2nd cousin twice removed |
| Smith, Catherine Zimmer | 7/7/1915 | Wife of the 1st cousin 3 times removed |
| Smith, Diane | 12/18/1944 | Wife of the 2nd cousin once removed |
| Smith, William A. | | Husband of the 3rd cousin once removed |
| Spalding, Anastasia | 10/29/1885 | Wife of the 1st cousin 3 times removed |
| Stapleton, Christopher | | 3rd cousin |
| Stapleton, James | 10/28/1941 | 2nd cousin once removed |
| Stapleton, Mary | 11/1/1946 | 2nd cousin once removed |
| Stapleton, Michael | | 3rd cousin |
| Stapleton, Patrick | | 3rd cousin |
| Stapleton, Thomas | | 3rd cousin |
| Stapleton, Thomas A. | 5/10 | Husband of the 1st cousin twice removed |
| Stapleton, Timothy | | 3rd cousin |
| Starshick, Candace Lee | | Wife of the 3rd cousin once removed |
| Stauch, Mary Teresa | | Wife of the 2nd cousin twice removed |
