M, b. 26 March 1810, d. 18 October 1888
| Birth* | 26 March 1810 | Aaron Sweezey was born on 26 March 1810 at Chatham, Northumberland, New Brunswick . |
| Marriage* | 22 March 1830 | He married Jessie Rankin on 22 March 1830. |
| Occupation* | between 1851 and 1881 | Aaron Sweezey was a blacksmith between 1851 and 1881. |
| Census1851* | 11 January 1851 | He and Jessie Rankin appeared on the 1851 Census of Pembroke Twp, Renfrew County, Ontario, enumerated 11 January 1851. Their children Catherine, Benjamin, Daniel R, Simon Fraser, Jessie, Mary E, Aaron and Margaret Ann were listed as living with them. |
| Census1861* | 13 January 1861 | Aaron Sweezey and Jessie Rankin appeared on the 1861 Census of Renfrew County, Ontario, enumerated 13 January 1861. Their children Benjamin, Simon Fraser, Mary E, Aaron, Margaret Ann, Alexander, Sophia and Reuben William were listed as living with them. |
| Census1871* | 2 April 1871 | Aaron Sweezey appeared on the 1871 Census of Rivière Creuse, Comté Pontiac, Québec, enumerated 2 April 1871. Their children Alexander, Reuben William and Samuel Biggs were listed as living with them. |
| Census1881* | 4 April 1881 | Aaron Sweezey and Jessie Rankin appeared on the 1881 Census of Stafford Twp, Renfrew County, Ontario, enumerated 4 April 1881. Their son Reuben William was listed as living with them, |Also in the house are Jessie, aged 10, and Aaron, aged 6.. |
| Death* | 18 October 1888 | Aaron Sweezey died on 18 October 1888 at Pembroke, Renfrew County, Ontario, at age 78. |