David Allen1 
He was admitted to Irish Bar.1 He was joint managing director of David Allen & Sons (Billposting) Ltd.1 He lived at Miramar, Killiney, County Dublin, IrelandG.1
Children of David Allen and Ada Lilian Cook
- Eric Henry Cook Allen1 d. 1951
- David Trevor Allen1 d. 1926
- Amy Agnes Leonora Allen1
- [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 14. Hereinafter cited as Landed Gentry of Ireland.
Ada Lilian Cook1
From 17 June 1883, her married name became Allen.1
Children of Ada Lilian Cook and David Allen
- Eric Henry Cook Allen1 d. 1951
- David Trevor Allen1 d. 1926
- Amy Agnes Leonora Allen1
- [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 14. Hereinafter cited as Landed Gentry of Ireland.
Major Henry Cook1
Child of Major Henry Cook
- [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 14. Hereinafter cited as Landed Gentry of Ireland.
Eric Henry Cook Allen1 
He was educated at Shrewsbury School, Shrewsbury, Shropshire, EnglandG.1 He graduated from Trinity College, Dublin University, Dublin, County Dublin, IrelandG.1 He graduated with a Doctor of Medicine (M.D.)1 He lived at Shankill, County Dublin, IrelandG.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 14. Hereinafter cited as Landed Gentry of Ireland.
David Trevor Allen1 
He was educated at Shrewsbury School, Shrewsbury, Shropshire, EnglandG.1 He was educated at Trinity College, Dublin University, Dublin, County Dublin, IrelandG.1 He fought in the First World War, with the Shropshire Light Infantry and Armoured Cars.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 14. Hereinafter cited as Landed Gentry of Ireland.
Amy Agnes Leonora Allen1
She lived in 1958 at Miramar, Killiney, County Dublin, IrelandG.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 14. Hereinafter cited as Landed Gentry of Ireland.
Robert Henry Allen1 
He was joint managing director of David Allen & Sons Ltd.1 He lived at Ravenswood, Northwood, London, EnglandG.1
Child of Robert Henry Allen and Marion Workman
- Maurice Tyrone Workman Allen+1 b. 17 Feb 1885
- [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 14. Hereinafter cited as Landed Gentry of Ireland.
Marion Workman1 
From 1883, her married name became Allen.1
Child of Marion Workman and Robert Henry Allen
- Maurice Tyrone Workman Allen+1 b. 17 Feb 1885
- [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 14. Hereinafter cited as Landed Gentry of Ireland.
Reverend Robert Workman1
Child of Reverend Robert Workman
- Marion Workman+1 d. 2 Apr 1917
- [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 14. Hereinafter cited as Landed Gentry of Ireland.
Maurice Tyrone Workman Allen1 
He was educated at Aldenham School, Elstree, Hertfordshire, EnglandG.1 He was educated at Trinity College, Cambridge University, Cambridge, Cambridgeshire, EnglandG.1
Children of Maurice Tyrone Workman Allen and Mildred Mary Thornhill
- Daphne Joan Allen+1 b. 9 Aug 1915
- Major Geoffrey Michael Allen+1 b. 9 Sep 1918, d. 25 Jul 1962
- [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 14. Hereinafter cited as Landed Gentry of Ireland.
