Children of John Clark (cont.) - line 51
Michael O'Meara - 53
Source - Year: 1900; Census Place: Waterford, Clinton, Iowa; Roll: T623_426; Page: 4B; Enumeration District: 33.
John P. Clark - line 88
Source - Year: 1910; Census Place: Aneta, Nelson, North Dakota; Roll: T624_1145; Page: 6B; Enumeration District: 0126; Image: 37; FHL Number: 1375158.
John P Clark - line 113
Source - Year: 1915; North Dakota State Censuses, 1915 and 1925; Census Place: Aneta, Nelson, North Dakota; Roll: ndsc_6868; Image: 2
John P. Clark - line 1
Source - Year: 1920; Census Place: Ora, Nelson, North Dakota; Roll: T625_1337; Page: 1A; Enumeration District: 74; Image: 857.