1796 - 1871 (75 years)
| Smith Carl Ketcham | |
| B: | 27 Jun 1882 |
| Islip, Suffolk, New York, United States | |
| D: | 15 Dec 1965 |
| Cooperstown, Otsego, New York, United States | |
| Grace Evelyn Ketchum | |
| B: | Sep 1880 |
| New York, United States | |
| D: | 10 Jun 1967 |
| Ossining, Westchester, New York, United States | |
| Smith C Ketcham | |
| B: | Abt 1855 |
| New York, United States | |
| Laura Frances Smith | |
| B: | Nov 1856 |
| New York, United States | |
| D: | 8 May 1938 |
| Bronx, New York, New York, United States | |
| Mildred E Ketcham | |
| B: | Sep 1899 |
| Long Island, New York, United States | |
| D: | 1960 |
| Clyde Hamilton Ketcham | |
| B: | 8 Sep 1896 |
| New York, United States | |
| D: | 9 Mar 1958 |
| Islip, Suffolk, New York | |
| Herbert Spencer Ketcham | |
| B: | 24 Dec 1892 |
| Islip, New York, United States | |
| D: | 9 Aug 1919 |
| Cairo, Greene, New York, United States | |
| Phoebe E Ketcham | |
| B: | Mar 1860 |
| Long Island, New York, United States | |
| D: | 17 Jun 1922 |
| Brookhaven, Suffolk, New York, United States | |
| Benjamin F. Ketcham | |
| B: | Dec 1849 |
| Amityville, New York State | |
| M: | 26 Jul 1881 |
| Manhattan, New York, New York, United States | |
| D: | 17 Sep 1920 |
| Islip, Suffolk, New York, United States | |
| Nelson Ketcham | |
| B: | 1829 |
| Long Island, Suffolk, New York, United States | |
| D: | 22 Feb 1904 |
| Islip, Suffolk, New York, United States | |
| Elizabeth Ann Eastman | |
| B: | 3 Nov 1831 |
| Long Island, Suffolk, New York, United States | |
| D: | 8 Jun 1902 |
| Long Island, Suffolk, New York, United States | |
| Etta Hannah Ketcham() | |
| B: | 1796 |
| D: | 1871 |
| New York, United States | |
| Ezra Ketcham | |
| B: | Abt 1800 |
| D: | Suffolk, New York, United States |
