1872-1964
| Marcus Leonard | |
| B: | 23 Apr 1872 |
| Lanark, Carroll, Illinois, USA | |
| D: | 18 Jul 1964 |
| Stillwater, Payne, Oklahoma, USA | |
1879-1957
| Mabel Wayne Dix | |
| B: | 15 May 1879 |
| Honeoye Falls, Monroe, New York, USA | |
| D: | 17 May 1957 |
| Salina, Saline, Kansas, USA | |
1837-1907
| William Leonard | |
| B: | 4 Mar 1837 |
| Bryan, Williams, Ohio, USA | |
| D: | 16 Jun 1907 |
| Rock Rapids, Lyon, Iowa, USA | |
1843-1886
| Nancy Jane Grigsby | |
| B: | 14 Feb 1843 |
| D: | 8 Aug 1886 |
1845-1909
| Elias Leonard | |
| B: | 24 October 1845 |
| Bryan, Williams County, Ohio, United States of America | |
| D: | 11 January 1909 |
| Elkhart, Elkhart County, Indiana, United States of America | |
1863-1936
| Henry Keelin Leonard | |
| B: | 27 April 1863 |
| Lanark, Carroll County, Illinois, United States of America | |
| D: | 31 August 1936 |
| Aurelia, Cherokee County, Iowa, United States of America | |
1811-1901
| Keelin Leonard | |
| B: | 15 Aug 1811 |
| Rowan County, North Carolina, United States of America | |
| D: | 25 Mar 1901 |
| Sheldon, O'Brien County, Iowa, United States of America | |
1816-1891
| Elizabeth Dice | |
| B: | 9 Oct 1816 |
| Carlisle, Cumberland, Pennsylvania, USA | |
| D: | 26 Feb 1891 |
| Aurelia, Cherokee, Iowa, USA | |
|
1784-1818
| Valentine Leonard, III | |
| B: | 22 Jan 1784 |
| Rowan County, North Carolina, United States of America | |
| D: | 1818 |
| Rowan County, North Carolina, United States of America | |
1784-1859
| Mary Rinkard | |
| B: | Abt. 1784 |
| Rheinland-Pfalz, Germany | |
| D: | 28 May 1859 |
| Elkhart, Elkhart County, Indiana, United States of America | |