John Swinton Isaac1 
He held the office of Deputy Lieutenant (D.L.)1 He lived at Broughton Park, Worcester, Worcestershire, England.1
- [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 193. Hereinafter cited as Landed Gentry of Ireland.
Captain Duke Arthur Crofton1 
He gained the rank of Captain in the Royal Navy.1 He held the office of Deputy Lieutenant (D.L.) of County Leitrim.1 He held the office of High Sheriff of County Leitrim in 1906.1 He lived at Lakefield, County Leitrim, Ireland.1
Children of Captain Duke Arthur Crofton and Augusta Maude Lefroy
- Hugh Lefroy Crofton1 b. 10 Sep 1884, d. 22 May 1915
- Commander Philip Duke Crofton1 b. 12 Apr 1886, d. 4 Aug 1954
- John Henry Crofton1 b. 8 Dec 1889, d. 13 Nov 1914
- Sir Richard Marsh Crofton+1 b. 6 Apr 1891, d. 27 May 1955
- Amy Dundas Crofton1 b. 30 Jan 1893
- Hilda Frances Crofton+1 b. 9 Jul 1894, d. 20 Mar 1943
- Patrick George Crofton1 b. 12 Dec 1899, d. 7 Mar 1939
- [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 193. Hereinafter cited as Landed Gentry of Ireland.
Major Caldwell Henry Crofton1 
He lived at Tilford, Surrey, England.2 He gained the rank of Major in the Royal Horse Artillery.1
Child of Major Caldwell Henry Crofton and Helen Rose Anne Milman
- Richard Cecil Milman Crofton1 b. 25 Aug 1895, d. 13 Jun 1941
- [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 193. Hereinafter cited as Landed Gentry of Ireland.
- [S37] BP2003 volume 2, page 2703. See link for full details for this source. Hereinafter cited as. [S37]
Augusta Maude Lefroy1 
From 13 November 1883, her married name became Crofton.1
Children of Augusta Maude Lefroy and Captain Duke Arthur Crofton
- Hugh Lefroy Crofton1 b. 10 Sep 1884, d. 22 May 1915
- Commander Philip Duke Crofton1 b. 12 Apr 1886, d. 4 Aug 1954
- John Henry Crofton1 b. 8 Dec 1889, d. 13 Nov 1914
- Sir Richard Marsh Crofton+1 b. 6 Apr 1891, d. 27 May 1955
- Amy Dundas Crofton1 b. 30 Jan 1893
- Hilda Frances Crofton+1 b. 9 Jul 1894, d. 20 Mar 1943
- Patrick George Crofton1 b. 12 Dec 1899, d. 7 Mar 1939
- [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 193. Hereinafter cited as Landed Gentry of Ireland.
- [S47] BIFR1976 page 709. See link for full details for this source. Hereinafter cited as. [S47]
Hugh Lefroy Crofton1

He gained the rank of CAptain in the Royal Inniskilling Fusiliers.1 He fought in the Gallipoli Campaign.1
- [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 193. Hereinafter cited as Landed Gentry of Ireland.
Commander Philip Duke Crofton1 
He fought in the First World War between 1914 and 1918.1 He gained the rank of Commander in the Royal Navy.1 He fought in the Second World War between 1939 and 1941.1 He lived at Lakefield, County Leitrim, Ireland.1
- [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 193. Hereinafter cited as Landed Gentry of Ireland.
Hilda Geraldine Browne1
From 31 December 1918, her married name became Crofton.1
- [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 193. Hereinafter cited as Landed Gentry of Ireland.
Reverend Ernest Alfred Browne1
Child of Reverend Ernest Alfred Browne and Maria Boles
- [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 193. Hereinafter cited as Landed Gentry of Ireland.
Maria Boles1
Her married name became Browne.1
Child of Maria Boles and Reverend Ernest Alfred Browne
- [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 193. Hereinafter cited as Landed Gentry of Ireland.
John Eastabrook1
Child of John Eastabrook
- Catherine Henrietta Eastabrook+1 b. 26 Mar 1865
- [S6289] The History of Parliament Online, online http://www.historyofparliamentonline.org. Hereinafter cited as History of Parliament.