1875 - 1945 (69 years)
| Donald Brown MacKenzie, Jr. | |
| B: | 12 Feb 1941 |
| Islip, New York, USA | |
| D: | 13 Nov 2024 |
| Miss Martha M. Slosson | |
| M: | Abt 1961 |
| D: | Yes, date unknown |
| Donald B MacKenzie | |
| B: | 1909 |
| Sayville, Suffolk, New York, United States | |
| D: | 28 Apr 1970 |
| West Islip, Suffolk, New York, United States | |
| Evelyn E Stoll | |
| B: | 1910 |
| Sayville, Suffolk, New York, United States | |
| D: | 30 Mar 1968 |
| Port Jefferson, Suffolk, New York, United States | |
|
| Donald Alexander MacKenzie | |
| B: | 18 Aug 1875 |
| Yonkers, Westchester, New York, United States | |
| D: | 4 May 1945 |
| Brooklyn, Kings, New York, United States | |
| Clara E. Brown, < | |
| B: | Jun 1879 |
| Shelter Island, Suffolk, New York | |
| D: | 5 Jan 1958 |
| Sayville, Suffolk, New York, United States | |
