According to the 1850 census, John Clark b. 1819 married to Mary McConkey b. 1819 were living in Franklin County, OH. Also living with them were Nathaniel Clark, age 6, Jackson Clark, age 26, and Mary's parents, John McConkey, age 77 and Mary McConkey, age 69. Would like more info. on this family. John McConkey died in 1855 and Mary McConkey died in 1860/61 probably in Franklin County.