Isabel Sim Cumming Fraser1
From 12 January 1947, her married name became Leith-Buchanan.
David Gustavus James Leith-Buchanan1

He graduated from Edinburgh University, Edinburgh, Midlothian, Scotland, with a Master of Arts (M.A.)1 He gained the rank of Lieutenant in the Royal Artillery.1 He fought in the Second World War.1
- [S37] BP2003 volume 2, page 2301. See link for full details for this source. Hereinafter cited as. [S37]
- [S37] BP2003. [S37]
- [S259] Commonwealth War Graves Commission, online http://www.cwgc.org. Hereinafter cited as Commonwealth War Graves Commission.
Jean Isobel Barbara Leith-Buchanan1
She lived in 2003 at 645 Chelsea Cloisters, Sloane Avenue, London, EnglandG.1
Charles John Leith-Buchanan1 
He fought in the First World War, where he was wounded.1 He gained the rank of Private in the 125th Canadian Regiment.1
Children of Charles John Leith-Buchanan and Mary Eleanor Farmer
- George William Hector Leith-Buchanan2 b. 1 Nov 1905, d. 17 Feb 1968
- Thomas Wellesley Macdonald Leith-Buchanan+2 b. 11 May 1907, d. 11 Jan 1967
- Mary Elizabeth Warburton Leith-Buchanan2 b. 1911
William Farmer1
Child of William Farmer
- Mary Eleanor Farmer+2 d. 24 May 1946
Mary Eleanor Farmer1 
From 25 February 1905, her married name became Leith-Buchanan.
Children of Mary Eleanor Farmer and Charles John Leith-Buchanan
- George William Hector Leith-Buchanan2 b. 1 Nov 1905, d. 17 Feb 1968
- Thomas Wellesley Macdonald Leith-Buchanan+2 b. 11 May 1907, d. 11 Jan 1967
- Mary Elizabeth Warburton Leith-Buchanan2 b. 1911
George William Hector Leith-Buchanan1 
Thomas Wellesley Macdonald Leith-Buchanan1 
He gained the rank of Lieutenant in the Royal Canadian Navy.1 He was awarded the Canadian Decoration (C.D.)1
Child of Thomas Wellesley Macdonald Leith-Buchanan and Mary C. Cameron
- Eleanor Clare Leith-Buchanan2 b. 1935
