There is a Joseph Marcum, age 62, heading a household in which lived: Thomas Kirk, age 22 Eliza Kirk, age 20 (possibly Thomas's wife) Polley J Kirk, age 27 Cintha Kirk, age 18 plus 2 young children
This appears to be this Joseph Marcum, living with the siblings of his son-in-law (Thomas, Polley and Cintha).