1859 - 1903 (44 years)
| Dennis Derby | |
| B: | Abt 1940 |
| D: | Bef 2024 |
| Bellport, Brookhaven, Suffolk, New York, United States | |
| Thomas Francis Derby | |
| B: | 6 Feb 1948 |
| D: | 24 Nov 2021 |
| Bellport, Brookhaven Town, Suffolk, New York, United States | |
| Helen Margaret Geiger | |
| B: | 1925 |
| D: | 2009 |
| Bellport, Brookhaven, Suffolk, New York, United States | |
| John Francis Derby | |
| B: | 6 Dec 1916 |
| Brooklyn, New York, United States | |
| D: | 5 Sep 2004 |
| Bellport, Brookhaven, Suffolk, New York, United States | |
| George Martin Geiger | |
| B: | 8 May 1915 |
| New York City, New York, United States | |
| D: | 18 Apr 1970 |
| Suffolk, New York, United States | |
| Helen F Mackey | |
| B: | 13 Sep 1892 |
| New York | |
| D: | 14 Nov 1944 |
| George Valentine Geiger | |
| B: | 2 Aug 1890 |
| Manhattan, New York, New York, USA | |
| M: | 11 Jul 1915 |
| Manhattan, New York, New York, United States | |
| D: | Jan 1985 |
| Patrick Mackey | |
| B: | 1859 |
| D: | 1903 |
| Helen Lawless | |
| B: | 1865 |
| D: | 1924 |
