Mary Darley1 
From 25 September 1783, her married name became Guinness.
Children of Mary Darley and Richard Guinness
- Samuel Guinness2 b. 1784, d. 1785
- Jane Guinness2 b. 1785, d. 1827
- Sarah Guinness2 b. 1786, d. 1877
- George Gore Guinness2 b. 1788, d. 1790
- Robert Rundell Guinness+2 b. 12 Dec 1789, d. 7 Mar 1857
- Mary Guinness2 b. 1791, d. 1816
- Frances Guinness2 b. 1792, d. 1888
- Elizabeth Guinness2 b. 1794, d. 1860
- Olivia Guinness2 b. 1795, d. 1797
- Richard Samuel Guinness+2 b. 17 Jun 1797, d. 1857
- Henrietta Guinness2 b. 1799, d. 1877
- Richard Guinness2 b. 1802, d. 1804
Samuel Guinness1 
George Gore Guinness1 
Robert Rundell Guinness1 
He was a practising barrister.1 He was founder with John Ross Mahon of Guinness Mahon, first a land agency, and later developed as a bank by Robert’s sons Richard Seymour in London and Henry in Dublin.1 He lived at Stillorgan, County Dublin, IrelandG.1
Children of Robert Rundell Guinness and Mary Anne Seymour
- Mary Catherine Guinness2 b. 1823, d. 5 Mar 1905
- Richard Seymour Guinness+2 b. 28 Apr 1826, d. 2 Dec 1915
- Henry Guinness+2 b. 16 Mar 1829, d. 30 Dec 1893
Children of Robert Rundell Guinness and Mary Anne Moore
- Reverend Robert Guinness+2 b. 25 Apr 1841, d. 17 Mar 1918
- Susan Rachel Guinness2 b. 1843, d. 19 Feb 1892
- Margaret Sophia Guinness2 b. 1845, d. 1913
- Elizabeth Anne Guinness2 b. 1847, d. 9 Apr 1918
- Henrietta Guinness2 b. 1848
- Emily Maria Guinness2 b. 1850, d. 8 Jul 1921
- Edith Anne Guinness2 b. 1852, d. 19 May 1919
Reverend John Crossley Seymour1
He lived at Castletown House, County Laois, IrelandG.1
Child of Reverend John Crossley Seymour and Catherine Wight
- Mary Anne Seymour+2 d. Jul 1837
Mary Anne Seymour1 
From 2 November 1822, her married name became Guinness.
Children of Mary Anne Seymour and Robert Rundell Guinness
- Mary Catherine Guinness2 b. 1823, d. 5 Mar 1905
- Richard Seymour Guinness+2 b. 28 Apr 1826, d. 2 Dec 1915
- Henry Guinness+2 b. 16 Mar 1829, d. 30 Dec 1893
Richard Seymour Guinness1 
He was with Guinness Mahon in 1841.1 He was partner of Guinness Mahon in 1845.2 He was educated at Trinity College, Dublin University, Dublin, County Dublin, IrelandG.1 He lived at 16 Rutland Gate, London, EnglandG.1
Children of Richard Seymour Guinness and Elizabeth Jane Susanna Darley
- Adeline Elizabeth Guinness2 d. 2 Jan 1955
- Helen Jane Guinness2
- Robert Darley Guinness+2 b. 3 Oct 1858, d. 13 Aug 1938
- Annabel Mary Guinness2 b. 1860, d. 23 Feb 1948
- Gerald Seymour Guinness+2 b. 1862, d. 5 Sep 1933
- Anna Theodosia Guinness2 b. c 1866, d. 12 Sep 1900
- Arthur Eustace Seymour Guinness+2 b. 2 Dec 1867, d. 4 Sep 1955
- Benjamin Seymour Guinness+2 b. 18 Nov 1868, d. 15 Dec 1947
- Richard Sidney Guinness2 b. 4 Mar 1873, d. 14 Jan 1949
- Herbert Frederick Guinness2 b. 22 Jan 1876, d. 30 May 1922
Reverend John Darley1
He was the Rector at Arboe, County Tyrone, IrelandG.2 He was a Fellow at Trinity College, Dublin University, Dublin, County Dublin, IrelandG.2
Child of Reverend John Darley and Susanna Guinness
- Elizabeth Jane Susanna Darley+2 d. 28 Aug 1906
Elizabeth Jane Susanna Darley1
From 30 July 1857, her married name became Guinness.
Children of Elizabeth Jane Susanna Darley and Richard Seymour Guinness
- Adeline Elizabeth Guinness2 d. 2 Jan 1955
- Helen Jane Guinness2
- Robert Darley Guinness+2 b. 3 Oct 1858, d. 13 Aug 1938
- Annabel Mary Guinness2 b. 1860, d. 23 Feb 1948
- Gerald Seymour Guinness+2 b. 1862, d. 5 Sep 1933
- Anna Theodosia Guinness2 b. c 1866, d. 12 Sep 1900
- Arthur Eustace Seymour Guinness+2 b. 2 Dec 1867, d. 4 Sep 1955
- Benjamin Seymour Guinness+2 b. 18 Nov 1868, d. 15 Dec 1947
- Richard Sidney Guinness2 b. 4 Mar 1873, d. 14 Jan 1949
- Herbert Frederick Guinness2 b. 22 Jan 1876, d. 30 May 1922
Robert Darley Guinness1 
He was educated at Harrow School, Harrow, London, EnglandG.1 He graduated from Trinity College, Dublin University, Dublin, County Dublin, IrelandG, in 1880 with a Bachelor of Arts (B.A.)1 He was a practising barrister.1 He held the office of Justice of the Peace (J.P.) for Warwickshire.1 He held the office of High Sheriff of Warwickshire in 1924.1 He lived at Wootton Hall, Wootton Wawen, Warwickshire, EnglandG.1
Children of Robert Darley Guinness and Lydia Lucy Lyster Smyth
- Richard Smyth Guinness+2 b. 13 Jun 1888, d. 1979
- Elizabeth Muriel Smyth Guinness+2 b. 20 Jan 1892, d. 30 Mar 1974
