Cynthia Valerie Mary Pretty1
She succeeded as the Baroness Garvagh on 10 June 1974. From 10 June 1974, her married name became Canning.1
- [S37] BP2003 volume 2, page 1528. See link for full details for this source. Hereinafter cited as. [S37]
Sir Edmund Samuel Hayes, 3rd Bt.1 
He gained the title of 3rd Baronet Hayes, of Drumboe Castle, co. Donegal.
Children of Sir Edmund Samuel Hayes, 3rd Bt. and Emily Pakenham
- Maria Hayes2 d. 19 Aug 1882
- Sir Samuel Hercules Hayes, 4th Bt.2
Captain Hon. William Pakenham1 
He gained the rank of Captain in the Royal Navy.1
- [S37] BP2003 volume 2, page 2393. See link for full details for this source. Hereinafter cited as. [S37]
Eric Ernest Falk Pretty1
Child of Eric Ernest Falk Pretty
- [S37] BP2003 volume 2, page 1528. See link for full details for this source. Hereinafter cited as. [S37]
Henry Sandford Pakenham Mahon1 
He was given the name of Henry Sandford Pakenham at birth.1 He held the office of High Sheriff of County Roscommon in 1830.2 On 26 March 1847 his name was legally changed to Henry Sandford Pakenham Mahon by Royal Licence.2 He held the office of Deputy Lieutenant (D.L.) of County Roscommon.3 He gained the rank of officer in the 8th Hussars.3 He lived at Strokestown, County Roscommon, IrelandG.3 He held the office of Justice of the Peace (J.P.) for County Roscommon.3
Children of Henry Sandford Pakenham Mahon and Grace Catherine Mahon
- Florence Pakenham Mahon1 d. 7 Dec 1900
- Maud Pakenham Mahon1 d. 14 Feb 1903
- Henrietta Grace Pakenham Mahon3 b. 1850, d. 17 Nov 1939
- Henry Pakenham Mahon+1 b. 13 Jul 1851, d. 12 Jan 1922
- [S37] BP2003 volume 2, page 2393. See link for full details for this source. Hereinafter cited as. [S37]
- [S31] Bernard, Sir Burke, editor, Burke’s genealogical and heraldic history of the landed gentry of Ireland, 4th ed. (London, U.K.: Burkes Peerage Ltd, 1958), page 471. Hereinafter cited as Landed Gentry of Ireland.
- [S37] BP2003. [S37]
Eliza Catherine Sandford1 
From 15 January 1822, her married name became Pakenham.1
Children of Eliza Catherine Sandford and Very Rev. Hon. Henry Pakenham
- Emily Pakenham1 d. 23 May 1896
- Henry Sandford Pakenham Mahon+1 b. 6 Feb 1823, d. 18 Mar 1893
- William Sandford Pakenham+1 b. 10 Jan 1826, d. 26 Nov 1886
- Hamilton Sandford Pakenham1 b. 14 Feb 1840, d. 20 Oct 1864
- [S37] BP2003 volume 2, page 2393. See link for full details for this source. Hereinafter cited as. [S37]
- [S6] G.E. Cokayne; with Vicary Gibbs, H.A. Doubleday, Geoffrey H. White, Duncan Warrand and Lord Howard de Walden, editors, The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant, new ed., 13 volumes in 14 (1910-1959; reprint in 6 volumes, Gloucester, U.K.: Alan Sutton Publishing, 2000), volume IX, page 362. Hereinafter cited as The Complete Peerage.
Henry Hickman Westropp1 
He fought in the Battle of Copenhagen.1 He fought in the Battle of Montevideo.1 He retired from the military in 1816, with the rank of Captain, late of the 9th Light Dragoons.1
Frances Swift1
Her married name became Westropp.
- [S47] BIFR1976 page 1197. See link for full details for this source. Hereinafter cited as. [S47]
Muriel Constance Lilian Jorgenson1 
From 23 September 1937, her married name became Westropp.1
Children of Muriel Constance Lilian Jorgenson and Lionel Henry Mountifort Westropp
- Eric Mountifort Westropp+1 b. 30 Mar 1939
- Anthony Henry Westropp+1 b. 22 Dec 1944
Ralph Westropp1

He gained the rank of Lieutenant in the 51st KLI.1 He fought in the Siege of Badajoz on 9 March 1811.1