Leonard Putnam was born 14 April 1803 in Guilford, Windham County, Vermont, United States to John Putnam (1779-1859) and Sabra Preston (1780-aft1860) and died 1 November 1850 Rome Township, Crawford County, Pennsylvania, United States of unspecified causes.
Children
| Name | Birth | Death | Joined with |
| Alfred Putnam (c1825-?) | 1825 Ellery, Chautauqua County, New York, United States | Sarah Unknown (?-aft1850) Philena Beardsley (c1843-?) | |
| Rutland Ransom Putnam (c1827) | |||
| Harriet Putnam (c1832) | |||