1887-1959
| Erie Orrin Leonard | |
| B: | 29 Sep 1887 |
| Watrousville, Tuscola, Michigan, USA | |
| D: | 30 Sep 1959 |
1891-1893
| Howard Leonard | |
| B: | 7 Apr 1891 |
| D: | 25 Mar 1893 |
1856-1942
| Eugene Warner Leonard | |
| B: | 31 May 1856 |
| Saybrook, Ashtabula, Ohio, USA | |
| D: | 1942 |
| , , Michigan, USA | |
1864-1930
| Margaret Elizabeth McComb | |
| B: | 1864 |
| Brockville, , Ontario, CAN | |
| D: | 1930 |
| , , Michigan, USA | |
1858-Yes, date unknown
| Fred Bisbee Leonard | |
| B: | 19 Apr 1858 |
| Saybrook, Ashtabula, Ohio, USA | |
| D: | Yes, date unknown |
1860-Yes, date unknown
| Cora Augusta Leonard | |
| B: | 15 Feb 1860 |
| Saybrook, Ashtabula, Ohio, USA | |
| D: | Yes, date unknown |
Abt 1861-Yes, date unknown
| Adeline Leonard | |
| B: | Abt 1861 |
| , , Ohio, USA | |
| D: | Yes, date unknown |
1868-Yes, date unknown
| May Belle Leonard | |
| B: | 10 Nov 1868 |
| Earlville, Madison, New York, USA | |
| D: | Yes, date unknown |
1874-Yes, date unknown
| Orrin Wheeler Leonard, Jr. | |
| B: | 25 Aug 1874 |
| Earlville, Madison, New York, USA | |
| D: | Yes, date unknown |
|
1833-1899
| Louisa A. Bisbee | |
| B: | 3 Nov 1833 |
| Springfield, Windsor, Vermont, USA | |
| D: | 9 May 1899 |
| Watrousville, Tuscola, Michigan, USA | |
1826-1904
| Orrin Wheeler Leonard | |
| B: | 16 Aug 1826 |
| Ashtabula, Ashtabula, Ohio, USA | |
| M: | 4 Jul 1855 |
| D: | 27 Jun 1904 |
| Watrousville, Tuscola, Michigan, USA | |