There is an online tree which says Mary Ann McKenzie  - born 13 November 1882 in  Shieldaig, Ross-shire, Scotland passed away14 November 1953 in Whiting Bay, Bute. Married to 
Charles McDonald -born 1873 in  Glasgow, Lanarkshire passed away 29 May 1954 in  Whiting Bay, Bute. 
Mentions one son -  Archibald McMillan McDonald
born21 January 1906 in  Whiting Bay, Bute, Scotland passed away15 March 1970 in  Lamlash Hospital. Isle of Arran. Bute - Married to Eloise Doryne Daly who passed away 10 June 2005 Lamlash Hospital. Isle of Arran. Bute. Couple seem to have had a son and a daughter.
Sandra