1815 - 1890 (75 years)
| Malcolm Halsey | |
| B: | 3 Apr 1880 |
| Bridgehampton, Suffolk, New York, United States | |
| D: | 4 Feb 1917 |
| Saranac Lake, Franklin, New York, United States | |
| Mabel P. Smith, "Rock" ^ | |
| B: | 30 Aug 1889 |
| Bellport, Brookhaven, Suffolk, New York, United States | |
| M: | Feb 1910 |
| D: | 3 Aug 1961 |
| Brookhaven, Suffolk, New York, United States | |
| Margaret Cooper Edwards | |
| B: | Oct 1851 |
| East Hampton, Suffolk, New York, United States | |
| D: | 17 Sep 1913 |
| Bridgehampton, Southampton, Suffolk, New York, United States | |
| Erastus Elmer Halsey | |
| B: | 14 Apr 1842 |
| Bridgehampton, Southampton, Suffolk, New York, United States | |
| M: | 3 Dec 1873 |
| Bridgehampton, Southampton, Suffolk, New York, United States | |
| D: | 8 Jan 1927 |
| Bridgehampton, Southampton, Suffolk, New York, United States | |
| Margaret B. Cooper | |
| B: | 18 May 1815 |
| East Hampton, Suffolk, New York, United States | |
| D: | 30 Nov 1890 |
| Wainscott, East Hampton, Suffolk, New York, United States | |
| David Adrian Edwards | |
| B: | 1816 |
| East Hampton, Suffolk, New York, United States | |
| D: | 30 Jul 1894 |
| Wainscott, East Hampton, Suffolk, New York, United States | |
