| Male William Osman McDUFFEE |
| Birth | 12 Sep 1859 | Whitefield, Coos, New Hampshire |
| Death | 7 Aug 1934 | Tilton, Belknap, New Hampshire |
| Burial | 1934 | Park Cemetery, Tilton, Belknap, New Hampshire |
| Marriage | 11 Sep 1883 | |
| Father | Jacob McDUFFEE | F101 Group Sheet | |
| Mother | Martha Bradbury HOPKINSON | F101 Group Sheet | |
| Female Mary Jane DE RINZEY |
| Birth | 24 Sep 1860 | Durham, Ontario |
| Death | 1953 | Malden, Middlesex, Massachusetts |
| Burial | ||
| Father | ||
| Mother | ||
| Female Edith Mabelle McDUFFEE |
| Birth | 30 Aug 1884 | Lawrence, Essex, Massachusetts |
| Death | Aug 1980 | New London, Connecticut |
| Burial | ||
| Spouse | Frederick Valentine KOLB | F297 | |
| Marriage | 29 Jun 1911 | Malden, Middlesex, Massachusetts |
| Male Frank Howard McDUFFEE |
| Birth | 30 Jun 1886 | Lawrence, Essex, Massachusetts |
| Death | 3 Jan 1957 | Malden, Middlesex, Massachusetts |
| Burial | ||
| Spouse | Stella CHANDLER | F298 | |
| Marriage | 2 Jun 1912 | |
| Spouse | Mary E. TAFT | F299 | |
| Marriage | 10 Oct 1931 | Portsmouth, Rockingham, New Hampshire |
| Female Evelyne Annie McDUFFEE |
| Birth | 23 Jun 1891 | Lawrence, Essex, Massachusetts |
| Death | 4 Feb 1976 | Holmes Beach, Manatee, Florida |
| Burial |