1754 - Aft 1800 (> 47 years)
| Elizabeth Catharine Heartt | |
| B: | 8 Jan 1774 |
| D: | 26 Apr 1849 |
| Frances Howell Hartt | |
| B: | 21 May 1775 |
| Southampton, N.Y. | |
| D: | 24 Aug 1799 |
| John Locke Hartt | |
| B: | 11 Mar 1779 |
| , Suffolk, NY | |
| D: | Yes, date unknown |
| Abigail Hartt | |
| B: | 28 Jun 1781 |
| Huntington, Suffolk, New York, United States | |
| D: | Yes, date unknown |
| Sarah Hartt | |
| B: | 27 Jun 1783 |
| New York | |
| D: | 27 Sep 1865 |
| Julia Ann Hartt | |
| B: | Abt 1784 |
| Huntington, Suffolk, New York, United States | |
| D: | Yes, date unknown |
| Mary Hartt | |
| B: | 10 Oct 1785 |
| New York | |
| D: | 6 Mar 1876 |
| New York, United States | |
| Charles Hartt | |
| B: | 29 May 1788 |
| D: | Yes, date unknown |
| David Howell Hartt | |
| B: | 13 Jan 1791 |
| , Suffolk, NY | |
| D: | Yes, date unknown |
| Glorianna Hartt | |
| B: | 27 Oct 1793 |
| Smithtown, Suffolk, New York, United States | |
| D: | 28 Jul 1878 |
| Hempstead, Queens, New York, United States | |
| James Fordyce Hartt | |
| B: | 24 May 1797 |
| , Suffolk, NY | |
| D: | 23 Aug 1879 |
|
| Abigail Howell | |
| B: | Dec 1754 |
| Center Moriches, Suffolk, New York, United States | |
| D: | Aft 1800 |
| of Schaghticoke, Rensselaer, New York, United States | |
| Joshua Hartt | |
| B: | 17 Sep 1738 |
| Huntington, British America | |
| M: | 17 Jan 1773 |
| Long Island, N.Y. | |
| D: | 3 Oct 1828 |
