1824 - 1905 (81 years)
| Day Craig Demarest | |
| B: | 1 Mar 1908 |
| Patchogue, Brookhaven, Suffolk, New York, United States | |
| D: | 17 Jul 2005 |
| Patchogue, Brookhaven, Suffolk, New York, United States | |
| Jean Demarest | |
| B: | 6 Sep 1909 |
| New York, United States | |
| D: | 16 Mar 1997 |
| Pinellas, Florida, United States | |
| Alma Demarest | |
| B: | 3 Dec 1910 |
| Patchogue, Brookhaven, Suffolk, New York, United States | |
| D: | 12 Dec 1979 |
| Poughkeepsie, Dutchess, New York, United States | |
| Alfred Demarest | |
| B: | 19 Jan 1912 |
| D: | Jun 1977 |
| Patchogue, Suffolk, New York, United States | |
| Calvin Shand Demarest | |
| B: | 4 Nov 1922 |
| D: | 7 Jan 2001 |
| Saint Petersburg, Pinellas County, Florida, USA | |
| Harry Mott Demarest | |
| B: | 29 Jul 1880 |
| Plainfield, Union, New Jersey, United States | |
| D: | 30 Nov 1960 |
| Bayport, Suffolk County, New York, United States | |
| Nora Mae Dare | |
| B: | 1 Jan 1884 |
| Patchogue, Suffolk, New York, United States | |
| M: | 23 May 1907 |
| D: | 17 Jul 1924 |
| Patchogue, Suffolk, New York, United States | |
| David Martin Demarest | |
| B: | 3 Jul 1858 |
| New York City, New York, New York, USA | |
| D: | 19 Oct 1882 |
| Lilla Mott | |
| B: | 6 May 1856 |
| Patchogue, Suffolk, N. Y. | |
| D: | 27 Feb 1950 |
| Bronx, Bronx, New York, United States | |
|
| Peter Martin Demarest | |
| B: | 23 Jul 1824 |
| Riverdale, Morris, New Jersey, United States | |
| D: | 5 Sep 1905 |
| Syracuse, Onondaga, New York, United States | |
| Phoebe V. Coles | |
| B: | 14 Nov 1831 |
| Fort Wayne, Allen, Indiana, United States | |
| D: | 25 Nov 1912 |
| Medicine Hat, Alberta, Canada | |
