William A Cunningham, Born 1829. In 1850 census he was listed as a mechanic in Miller Township.
1852 listed as a gunsmith , Knox County
1858 Gunsmith , shop Jones Block near Public Square, Mt. Vernon
1860 Mt Vernon , Wife & two children.
Cunningham made hunting & target rifles. Page 48 Ohio Gunsmiths & Allied Tradesmen, Volume III
On page 61 there is a picture of a half stock percussion rifle he made.