Hugh Hamon Charles George Massy, 8th Baron Massy of Duntrileague1 
He was educated at Harrow School, Harrow, London, EnglandG.1 He succeeded as the 8th Baron Massy of Duntrileague, co. Limerick [I., 1776] on 20 October 1926.1
Child of Hugh Hamon Charles George Massy, 8th Baron Massy of Duntrileague and Margaret Leonard
- Hugh Hamon John Somerset Massy Massy, 9th Baron Massy of Duntrileague+2 b. 11 Jun 1921, d. 5 Aug 1995
Richard Leonard1
Child of Richard Leonard
- Margaret Leonard+2 d. 6 Mar 1971
Margaret Leonard1 
From before 1919, her married name became Moran.1 From 1919, her married name became Massy. After her marriage, Margaret Leonard was styled as Baroness Massy of Duntrileague on 20 October 1926.
Child of Margaret Leonard and Hugh Hamon Charles George Massy, 8th Baron Massy of Duntrileague
- Hugh Hamon John Somerset Massy Massy, 9th Baron Massy of Duntrileague+2 b. 11 Jun 1921, d. 5 Aug 1995
Hugh Hamon John Somerset Massy Massy, 9th Baron Massy of Duntrileague1 
He was educated at Clongowes Wood CollegeG.1 He was educated at Clayesmore School, Dorset, EnglandG.1 He gained the rank of Private in the Royal Army Ordnance Corps.1 He fought in the Second World War.1 He succeeded as the 9th Baron Massy of Duntrileague, co. Limerick [I., 1776] on 20 March 1958.1
Children of Hugh Hamon John Somerset Massy Massy, 9th Baron Massy of Duntrileague and Margaret Flower
- David Hamon Somerset Massy, 10th Baron Massy of Duntrileague2 b. 4 Mar 1947
- Hon. John Hugh Somerset Massy2 b. 2 Jan 1950
- Hon. Graham Ingoldsby Somerset Massy2 b. 28 Mar 1952
- Hon. Paul Robert Somerset Massy+2 b. 18 Oct 1953
- Hon. Sheelagh Louise Marie Massy2 b. 10 Nov 1958
Margaret Flower1
From 18 September 1943, her married name became Massy. After her marriage, Margaret Flower was styled as Baroness Massy of Duntrileague on 20 March 1958.
Children of Margaret Flower and Hugh Hamon John Somerset Massy Massy, 9th Baron Massy of Duntrileague
- David Hamon Somerset Massy, 10th Baron Massy of Duntrileague2 b. 4 Mar 1947
- Hon. John Hugh Somerset Massy2 b. 2 Jan 1950
- Hon. Graham Ingoldsby Somerset Massy2 b. 28 Mar 1952
- Hon. Paul Robert Somerset Massy+2 b. 18 Oct 1953
- Hon. Sheelagh Louise Marie Massy2 b. 10 Nov 1958
David Hamon Somerset Massy, 10th Baron Massy of Duntrileague1
He was educated at St. George’s College, Weybridge, Surrey, EnglandG.1 He was with the Merchant Navy.2 He succeeded as the 10th Baron Massy of Duntrileague, co. Limerick [I., 1776] on 5 August 1995.1
Hon. John Hugh Somerset Massy1
Andrea West1
From 1978, her married name became Massy.
