M, b. 8 July 1894
| Birth* | 8 July 1894 | Robert William Ritchie was born on 8 July 1894 at Renfrew, Renfrew County, Ontario .1 |
| (with Parents) Census1901 | 8 April 1901 | He appeared on the 1901 Census of Ross Twp, Renfrew County, Ontario in the household of his parents, Hugh Ritchie and Mary Ann Harrison. |
| (with Parents) Census1911 | 1911 | Robert William Ritchie appeared on the 1911 Census of North Bay, Nipissing District, Ontario in the household of his parents, Hugh Ritchie and Mary Ann Harrison. |
| Marriage* | 21 April 1915 | Robert William Ritchie married Mabel Florence May Leach, daughter of James Leach and Henrietta Porter, on 21 April 1915 at North Bay, Nipissing District, Ontario. |