1840 Fountain Co, IN. At census time, he and his father were neighbors while uncle John, and his son, Peter, were just down the road.
Bef 11/1848 Vermilion Co, IL. The exact date of their arrival is unknown but son Joseph was born there.
12/30/1850 Dist 21, Vermilion Co, IL. The census that year listed David at age 30, a farmer with $1000 worth of real estate, wife Isabela was 31. They had children Sarah E, 10; William F, 9; Rachel, 7; John, 4; Joseph, 2. Next door was brother John.
Bef 1853 TX where daughter Mary was born.
Bef 1857 KS where daughter Melissa was born.
7/14/1860 Forest Hill Twp, Breckenridge Co, KS. The census taker recorded David at age 42 and Isabella at 22 (more like 42!), with children: Wm F, 18, Rachel, 16, John, 14, Joseph, 12, Mary, 8, and Mellissa, 2. Living in the same area was brother Samuel and family.
6/13/1870 Neosha Rapids, near Jackson, Lyon Co, KS. That year the census recorded David as a 50 year old farmer with a sizable farm worth $8000 and personal property valued at $500. He had 4 children living there but no wife: John C, 25, Joseph T, 21, Mary L, 17, and Melissa, 12. They were the only Van Gundys in the county.
6/10/1880 Dist 116, near Jackson, Lyon Co, KS was where the census taker found David with a new family. He was 60 years old, still farming. Second wife Emily M was 40 and they had small children: Guy, 8, Ell, 6, Mag, 4, Hugh, 3, and Ina, 9 months. Also living there was "border," 40 year old William Brown. Sons Frank and John lived in the same area.