1850 William T Hartman (age 39) and Elizabeth Hartman (age 30) lived in Jackson Twp, Clermont County, Ohio with Francis M Hartman (age 21) and child William H Hartman (age 4). [1]
1880 Francis Hartman (age 51, born in Ohio), married, self (head), Farmer, lived in Jackson, Clermont County, Ohio (father born in Ohio and mother born in Ohio) with Hester Ann Hartman (age 43), William T. Hartman (age 21), John B. Hartman (age 18), Ida Hartman (age 16), Hester Ann Hartman (age 14), Francis R. Hartman (age 12), Francis M. Hartman (age 8), Allen B. Hartman (age 5), and Sarah E. Hartman (age 2). [2]
[1] United States Federal Census, 1850, [FamilySearchImage], [FamilySearchRecord].
[2] United States Federal Census, 1880, [AncestryImage], [AncestryRecord].