Isaac Chase - line 7
Source - Year: 1910; Census Place: Oran, Fayette, Iowa; Roll: T624_402; Page: 12A; Enumeration District: 0093; FHL microfilm: 1374415.
Isaac Chase - line 93
Source - Year: 1920; Census Place: Waterloo Ward 4, Black Hawk, Iowa; Roll: T625_478; Page: 4B; Enumeration District: 30; Image: 1024.
Isaac Chase - line 22
Source - Year: 1925; Iowa State Census Collection, 1836-1925; Census Place: Waterloo, Black Hawk, Iowa; Roll: IA1925_1610; Image: 2784