1870 U.S. Census:1007
Cook County, Illinois (Lake Township, Union Stock Yards Post Office)
Enumerated 13 July 1870
Patrick Ryder •• 35, male, white, stock dealer, born in Ireland, father and mother foreign born
Margaret •• 36, female, white, keep house, born in Ireland, father and mother foreign born
Nellie •• 9, female, white, born in Iowa, father and mother foreign born, in school
Theresa •• 4, female, white, born in Illinois, father and mother foreign born
Maggie •• 3, female, white, born in Illinos, father and mother foreign born
Thomas •• 1, male, white, born in Illinois, father and mother foreign born

1881 Chicago, Cook County, Illinois, City Directory:75, 1881, p. 1036. Ryder, Patrick, live stock, house 3820 S. Halstead.