F, b. 14 December 1858
| Birth* | 14 December 1858 | Mary Mclean Peters was born on 14 December 1858 at Ontario . |
| (with Parents) Census1861 | 1861 | She appeared on the 1861 Census of Elmsley Twp, Lanark County, Ontario in the household of her parents, William Peters and Anne (?) |
| (with Parents) Census1871 | 1871 | Mary Mclean Peters appeared on the 1871 Census of Elmsley North Twp, Lanark County, Ontario in the household of her parents, William Peters and Anne (?) |
| Marriage* | | Mary Mclean Peters married John M Ferguson. |
| Census1881* | 1881 | Mary Mclean Peters and John M Ferguson appeared on the 1881 Census of Beckwith Twp, Lanark County, Ontario, enumerated 1881. Their daughter Annie Eva was listed as living with them. |
| Census1891* | 1891 | Mary Mclean Peters appeared on the 1891 Census of Beckwith Twp, Lanark County, Ontario, enumerated 1891. Her children William, Annie Eva, Katie May, Albert Leslie, Maggie Edna, Laura May and Mary Alma were listed as living with her. |
| Census1901* | 1 April 1901 | Mary Mclean Peters appeared on the 1901 Census of Beckwith Twp, Lanark County, Ontario, enumerated 1 April 1901. Her children Annie Eva, Katie May, Albert Leslie, Laura May and Mary Alma were listed as living with her. |
| Census1911* | 1911 | Mary Mclean Peters appeared on the 1911 Census of Smiths Falls, Lanark County, Ontario, enumerated 1911. Her children Albert Leslie and Mary Alma were listed as living with her. |