William Graham Shaughnessy, 3rd Baron Shaughnessy1
He was educated at Bishop’s College School, Montreal, Quebec, CanadaG.1 He succeeded as the 3rd Baron Shaughnessy, of Montreal, Canada and Ashford, co. Limerick [U.K., 1916] on 4 October 1938.1 He fought in the Second World War, where he was mentioned in despatches.1 He gained the rank of Major in the Canadian Grenadier Guards.1 He graduated from Bishop’s University, Sherbrooke, Quebec, CanadaG, in 1941 with a Bachelor of Arts (B.A.)1 He graduated from Columbia University, Manhattan, New York City, New York, U.S.A., in 1947 with a Master of Science (M.Sc.)1 He was executive assistant to the Canadian Minister of Finance between 1949 and 1951.1 He was awarded the Canadian Decoration (C.D.) in 1955.1 He was President of the Royal Commonwealth Society, Montreal between 1959 and 1961.1
Children of William Graham Shaughnessy, 3rd Baron Shaughnessy and Mary Whitley
- Hon. Patrick John Shaughnessy2 b. 23 Oct 1944, d. 1982
- Michael James Shaughnessy, 4th Baron Shaughnessy2 b. 12 Nov 1946, d. 2007
- Hon. Brigid Mary Shaughnessy2 b. 30 Jan 1948
- Hon. Marion Kathleen Shaughnessy2 b. 2 May 1951
Hon. Margaret Helena Graham Shaughnessy1 
Hon. Hazel Marion Shaughnessy1
From 1938, her married name became Ballantyne.
James R. Ballantyne1
- [S37] BP2003 volume 3, page 3583. See link for full details for this source. Hereinafter cited as. [S37]
Hon. Bridget Ann Shaughnessy1
John Whitley1
Child of John Whitley
- Mary Whitley+2 d. 1999
Mary Whitley1 
After her marriage, Mary Whitley was styled as Baroness Shaughnessy on 18 March 1944. From 18 March 1944, her married name became Shaughnessy.
Children of Mary Whitley and William Graham Shaughnessy, 3rd Baron Shaughnessy
- Hon. Patrick John Shaughnessy2 b. 23 Oct 1944, d. 1982
- Michael James Shaughnessy, 4th Baron Shaughnessy2 b. 12 Nov 1946, d. 2007
- Hon. Brigid Mary Shaughnessy2 b. 30 Jan 1948
- Hon. Marion Kathleen Shaughnessy2 b. 2 May 1951
Hon. Patrick John Shaughnessy1 
Hon. Brigid Mary Shaughnessy1
Hon. Marion Kathleen Shaughnessy1
