John Yarnall was the son of Francis & Hannah (Baker) Yarnall. John's will is dated August 26, 1765; and was probated April 25, 1775, placing his likely date of death in April 1775. Estate inventoried May 13, 1775. Cited are wife Mary Yarnall, sister Sarah Askew, sons John Yarnall, Nathan Yarnall, Isaac Yarnall, Joshua Yarnall, and Caleb Yarnall, and daughter Ann Edwards.