1857 - 1933 (75 years)
| Katherine Alvina Hamlyn | |
| B: | Jan 1888 |
| Brookhaven, Suffolk, New York, United States | |
| D: | 29 Oct 1942 |
| Hempstead, Nassau, New York, United States | |
| Leroy Curtis Hamlyn | |
| B: | 25 Apr 1881 |
| Bellport, Brookhaven, Suffolk, New York, United States | |
| D: | Oct 1956 |
| Pinellas, Florida, United States | |
| Margaret J McCormack | |
| B: | May 1857 |
| England, United Kingdom | |
| D: | 18 Mar 1933 |
| Bellport, Brookhaven, Suffolk, New York, United States | |
| John Wallace Hamlyn | |
| B: | Dec 1859 |
| Brooklyn, Kings, New York, United States | |
| M: | 1880 |
| D: | 24 Aug 1910 |
| Bellport, Brookhaven, Suffolk, New York, United States | |
