1858 - 1913 (54 years)
| Frances Costello Cook | |
| B: | 28 Jun 1902 |
| New York State, United States | |
| D: | 3 Jan 1997 |
| West Sayville, Suffolk, New York, United States | |
| George Harold Westerbeke | |
| B: | 21 Nov 1901 |
| West Sayville, Suffolk, New York, United States | |
| M: | 25 Oct 1940 |
| Sayville, Suffolk, New York, United States | |
| D: | 29 Aug 1964 |
| Patchogue, Brookhaven, Suffolk, New York, United States | |
| Alice May Cook | |
| B: | 29 Nov 1898 |
| Sayville, Islip, Suffolk, New York, United States | |
| D: | 23 Dec 1990 |
| Suffolk, New York, United States | |
| William Thomas Cook | |
| B: | 29 Mar 1890 |
| Sayville, Suffolk, New York, United States | |
| D: | Dec 1969 |
| Sayville, Suffolk, New York, United States | |
| Isabelle Cook | |
| B: | Abt 1912 |
| New York State, United States | |
| D: | Yes, date unknown |
| Isabelle Cook | |
| B: | 26 Jul 1887 |
| Islip, New York, United States | |
| D: | Yes, date unknown |
| Charlotte E Cook | |
| B: | 18 Apr 1885 |
| Sayville, Suffolk, New York, United States | |
| D: | 1918 |
| Bridgeport, Fairfield, Connecticut, United States | |
| Fredrick William Cook | |
| B: | 11 May 1858 |
| New York State, United States | |
| D: | 1 Apr 1913 |
| Islip, Suffolk, New York, United States | |
| Julia Redfield Stagg | |
| B: | Dec 1862 |
| Brooklyn, King Count, (Brooklyn, ) New York, United States | |
| M: | 5 Jun 1884 |
| Sayville, Suffolk, New York, United States | |
| D: | 5 Sep 1944 |
| Islip, Suffolk, New York, United States | |
