Notes:
1880 census IA, Woodbury Co., Souix City, ED 242, dwelling 249,
Van Dyke, William W., 40, bookkeeper, b: IA/PA/PA
" " , Margaret M., 32, wife, keeping house, b: IL/MD/MD
" " , John W., 6, son, at home, b: IA/IA/IL
" " , Craig D., 2, son, at home, b: IA/IA/IL
1900 Census, IA, Woodbury Co., Sioux City, ED 145, p. 242, dwelling 184
Van Dyke, William W., head, Sept 1837, 60, m: 30 yrs, b: IA/PA/PA, fire insurance agent
" , Margaret M., wife, Aug 1846, 53, m: 30 yrs, 3 children, 2 living, b: IL/MD/MD
" , John W., son, Nov 1873, 26, single, b: IA/IA/IL, dentist
" , Craig S., son, Apr 1878, 22, b: IA/IA/IL, clerk bank
1920 census IA, Woodbury Co., Sioux City City, ED 216,
**** 1920 Jackson St., dwelling 331 ****
Toy, James F., head, owns, 70, b: Denmark/Ireland/PA, banker in bank
" , Mary E., wife, 64, b: IL/NY/Canada
Laneu, Peter, ward man, 55 single, b: Denmark/Denmark/Denmark yard man
**** 1982 Jackson Street, dwelling 332 ****
Van Dyke, J. W., head, owns, 47, b: IA/KY/OH, banker in bank
" " , Grace, wife, 42, b: IA/Demark/IL
" " , James, son, 12, single, b: IA/IA/IA
" " , William, son, 9, single, b: IA/IA/IA
" " , Mary E., dau, 7, single, b: IA/IA/IA
" , , Carlton, son, 4, single, b: IA/IA/IA
1930 Census IA, Woodbury Co., Souix City, City, ED 93-49, p. 95,
1902 Jackson Street, dwelling 196
Van Dyke, John W., head, owns $20,000, 56, 1st m: @ age 32 b: IA/IA/IL, banker in bank
" " , Grace H., wife, 51, 1st m: @ age 28, b: IA/DE/IL
" " , James T., son, 22 single, b: IA/IA/IA, teller in bank
" " , J. William, son, 14, single, b: IA/IA/IA
" " , Mary Ann, dau, 5, single, b: IA/IA/IA
plus 2 female servants