Leonard Owen-John1
He lived in 1958 at Bourne Lodge, Bourne End, Hemel Hempstead, Hertfordshire, EnglandG.1
Children of Leonard Owen-John and Elizabeth Henrietta Hales Pakenham Mahon
- Julia Elizabeth Owen-John1 b. 24 Aug 1949
- Henry Stuart Owen-John1 b. 14 Jul 1955
- [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.
Alfred Owen-John1
Child of Alfred Owen-John
- [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.
Henry Stuart Owen-John1
He was educated at Berkhamsted School, Berkhamsted, Hertfordshire, EnglandG.2 He was educated at Birmingham University, Birmingham, Warwickshire, EnglandG.2
- [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.
- [S47] BIFR1976 page 773. See link for full details for this source. Hereinafter cited as. [S47]
Julia Elizabeth Owen-John1
She was officer of Commerce Union Bank.2 From 8 September 1973, her married name became MacDougall.2
- [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.
- [S47] BIFR1976 page 773. See link for full details for this source. Hereinafter cited as. [S47]
Denys Catherine Hales Pakenham Mahon1

- [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.
Henrietta Bathurst1
From 17 September 1822, her married name became Mahon.1
Children of Henrietta Bathurst and Major Denis Mahon
- Grace Catherine Mahon+1 d. 4 Jan 1914
- Thomas Mahon1 b. 30 Oct 1831
- [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.
Thomas Mahon1 
- [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.
Reverend Thomas Mahon1 
Children of Reverend Thomas Mahon and Honoria Kelly
- Anne Mahon1
- Thomas Mahon1 b. 1785, d. Mar 1825
- Major Denis Mahon+1 b. 12 Mar 1787, d. 1847
- John Mahon+1 b. 1793
- [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.
Catherine Annesley1 
From 1820, her married name became Mahon.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 471. Hereinafter cited as Landed Gentry of Ireland.
Thomas Mahon1 
- [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.
