1870 Crane Twp, Wyandot Co, OH. The census recorded Isaac at 26, a farmer but only had personal property valued at $250. Elizabeth was 25 and living with them were Catherine M, 16 (was she Isaac's sister or their own child at age 6?), and daughter Anna M, 2, as well as Elizabeth's brother, Martin Van Gundy, 21, farm laborer.
1880 Union Twp, Van Wert Co, OH was the family's residence at census time. Isaac was 37, Elizabeth was 35. They had 6 children at that time: Catherine M, 15, Mary A, 11, George F, 9, Lydia E, 6, Eva S, 4, and William H, 10 months. Isaac was a farmer.