- Birth*: John Leith was born circa 1807.
- Marriage*: John Leith married Elizabeth Siple, daughter of Frederick Siple and Barbara Peters, on 27 January 1828 at Fairfield County, Ohio, P. Trolinger.
- Death*: John Leith died on 14 January 1860 at Wyandot County, Ohio.
Family: Elizabeth Siple b. 30 Oct 1803