1820 - 1900 (80 years)
| Elizabeth A "Betsy" Downs | |
| B: | 5 Sep 1841 |
| Brookhaven, Suffolk, New York, United States | |
| D: | 12 Dec 1926 |
| East Hampton, Suffolk, New York, United States | |
| William R Cartwright | |
| B: | 1834 |
| New York, United States | |
| M: | BY 1860 |
| D: | Yes, date unknown |
| Isaac Downs, ^ | |
| B: | 19 Sep 1842 |
| Brookhaven, Suffok, New York, United States | |
| D: | 12 Mar 1925 |
| Shelter Island, Suffolk, New York, United States | |
| Josephine Pratt Lucas | |
| B: | 17 Feb 1851 |
| New London, Connecticut, United States | |
| M: | Abt 1868 |
| D: | 9 Dec 1933 |
| Sarah A. Downs, ^ | |
| B: | 1844 |
| Shelter Island, Suffolk, New York, United States | |
| D: | 20 Jan 1896 |
| Manhattan, New York, New York, United States | |
| Charles Webb Jennings | |
| B: | 21 Apr 1835 |
| Shelter Island, Suffolk, New York, United States | |
| D: | 12 Mar 1904 |
| Shelter Island, Suffolk, New York, United States | |
| William Brewster Downs | |
| B: | 1846 |
| Suffolk, New York, United States | |
| D: | Yes, date unknown |
| John Downs | |
| B: | CALC 1857 |
| of Shelter Island, Suffolk, New York | |
|
| Nancy M Sherman | |
| B: | 1820 |
| Suffolk, New York, United States | |
| D: | 1900 |
| Brookhaven, Suffolk, New York, United States | |
| John C. Downs, [Jr.]^ | |
| B: | 8 Jul 1820 |
| Suffolk County, New York, United States | |
| M: | 1840 |
| Brookhaven, Suffolk, New York, United States | |
| D: | 17 Dec 1905 |
| Brookhaven, Suffolk, New York | |
