M, b. 1861
| Birth* | 1861 | William G Wigginton Sr was born in 1861 at Kentucky . |
| Marriage* | 1892 | He married Fannie Adele Clark, daughter of George Tillinghast Clark and Katherine Mary Goss, in 1892. |
| Census1900* | 12 June 1900 | William G Wigginton Sr and Fannie Adele Clark appeared on the 1900 Census of Denver, Arapahoe County, Colorado, at 1104 South 14th Street, enumerated 12 June 1900. Their children William G and Frank C were listed as living with them. |
| Census1910* | 16 April 1910 | William G Wigginton Sr and Fannie Adele Clark appeared on the 1910 Census of Denver, Denver County, Colorado, at 1119 Detroit, enumerated 16 April 1910. Their children William G, Frank C and Katherine E were listed as living with them. |
| Census1920* | 2 January 1920 | William G Wigginton Sr and Fannie Adele Clark appeared on the 1920 Census of Denver, Denver County, Colorado, at 1621 Leyden Street, enumerated 2 January 1920. Their children Frank C and Katherine E were listed as living with them. |
| Census1940* | 11 April 1940 | William G Wigginton Sr and Fannie Adele Clark appeared on the 1940 Census of Denver, Denver County, Colorado, at 1621 Leyden Street, enumerated 11 April 1940. |