John Cornog was born in 1756 in Haverford Township, Chester County, PA, and died on 3 April 1828 in Haverford Township, Chester County, PA. John Cornog was the son of Thomas Cornog and Margaret Edwards. John married Ann “Nancy” after 1780 in PA. She was born in 1761 and died on 10 November 1823 in Haverford Township, PA. They are both buried in the Lower Merion Baptist Church, Haverford, PA. John’s second wife was Margaret Litzenberg. Their children were Daniel Cornog (1784-1843), and Thomas Cornog (1787-1850).
John served during the Revolutionary War as a lieutenant in Pennsylvania, and provided patriotic service.