Woohoo I've found relatives :) William A. Banfield is my great great great uncle. He was married to Martha Lucas in 1865. This is the other info that I have:
Thomas Banfield was born in 1775 in Pennsylvania and died in 1826 in Greenup Co., Kentucky. He married Prewdy Williams on October 20, 1796 in Mason County Kentucky. Prewdy was the daughter of Zadoc Williams. She was born in Pennsylvania in 1766. Thomas died in Greenup County Kentucky in 1826 and Prewdy died in Carter County, Kentucky in 1855. Their children were as follows:
Daughter Banfield - birthdate unknown. Elizabeth Banfield - birthdate unknown. Esquire Banfield m. Sidney Martin, April 23, 1832 Greenup County Kentucky. Zedakiah Banfield - b. 1796, Kentucky; d. 1860 Kentucky. John Delbert Banfield - b. October 3, 1801, Mason County Kentucky; d. June 22, 1878, Boyd County Kentucky. Susan Banfield - b. 1807. Theophilus Banfield - b. 1808. Preston Banfield - b. 1810; d. 1878. William Banfield - b. 1814.
Zedakiah Banfield married Levina Fugate in Kentucky in 1832. Their children are as follows:
Alfred G. Banfield - b. August 4, 1883, Carter County Kentucky; d. January 8, 1905, Carter County, Kentucky. James R. Banfield - b. February 11, 1835, Kentucky; d. July 8, 1896, Athens Ohio. William A. Banield b. 1841, Kentucky. Thomas R. Banfield - dates unknown.
I have lots more info on each of the children and their children if you are interested.