Information from Jenny Smith whose late husband, John Monro Menzies, was the grandson of Telitha Carrel (b. 1885), sister of Maud Oliver (nee Carrel).
Maiden name changed from Alexandra to Alexander based on information from Joy Nixon (nee Oliver) b. 1925 and Peter Claydon website at http://members.shaw.ca/claydonpsn/pafg35.htm#3701
Peter Claydon website says Mary Alexander was christened on 16 Feb 1766.
Date of marriage from Joy Nixon (nee Oliver) b. 1925
Place of marriage from Peter Claydon website and date of marriage agrees with information from Joy Nixon.
Month of birth given as December by Joy Nixon? Day and year the same.
Date of death given as 14 June 1844 by Joy Nixon?
Joy has Mary being baptised on 16 February 1766.