1848 - Bef 1880 (< 31 years)
| Malcolm Gray Jacobs | |
| B: | 20 Mar 1908 |
| East Hampton, Suffolk, New York, United States | |
| D: | 3 Feb 1970 |
| Martin, Florida, United States | |
| Merle Bishop | |
| B: | 2 Jun 1913 |
| Greenport, Suffolk County, New York, USA | |
| M: | 27 Jan 1930 |
| Riverhead, Suffolk, New York, United States | |
| D: | 17 Mar 1989 |
| Palmetto, Manatee County, Florida, USA | |
| Robert Andrew Jacobs | |
| B: | 28 Nov 1875 |
| Hampton Bays, Suffolk, New York, United States | |
| D: | 1938 |
| Harriet F. Topping | |
| B: | 24 Aug 1889 |
| Southampton, Southampton Town, Suffolk, New York, United States | |
| M: | 12 Jun 1907 |
| East Hampton, Suffolk, New York, United States | |
| D: | 15 Mar 1968 |
| Greenport, Suffolk, New York, United States | |
|
| Elizabeth Virginia Havens | |
| B: | 1848 |
| Quoque, New York, United States | |
| D: | Bef 1880 |
| Southampton, Suffolk, New York, United States | |
| William Henry Jacobs | |
| B: | 28 Feb 1853 |
| Southampton Town, Suffolk, New York, United States | |
| M: | Abt 1875 |
| New York, United States | |
| D: | 6 May 1925 |
| Aquebogue, Riverhead, Suffolk, New York, United States | |
