Found in the Library and Archives Canada, the British Military and Naval Records (RG 8, C Series), was a file for Mary Anne McDonald, widow of the late Alexander, Sergeant, 41st Foot.
|Source (related source)|
Volume 506 [left bottom of index card] can be found on C-3043
McDonald, the late Alexander, Sergt., 41st Foot
Mary Anne McDonald to Sir J. C. Sherbrooke
Montreal, 10 July 1816