1900 Federal Census, Bronx, New York, E.D. 1036, p. 37A, Family #324, Family of Robert Clifford.
↑ 2.02.1 Kathleen Clifford Birth Record, "New Jersey Births and Christenings, 1660-1980", familysearch.org, extracted from FHL film #494244, New Jersey State Archives, Births Gloucester-Middlesex v. 62 1899-1900 .