1878 - 
| Ursula Augusta (married cousin (9) Mahon | |
| B: | 17 Jan 1906 |
1909-1910
| William Gerald Ross Mahon | |
| B: | 2 Sep 1909 |
| D: | 31 Aug 1910 |
1970-
| Annabel Mahon | |
| B: | 1970 |
1972-
| Lucy Mahon | |
| B: | 1972 |
1976-
| James William Mahon | |
| B: | 29 Oct 1976 |
| Sir William Walter Mahon, 7th Baronet | |
| B: | 4 Dec 1940 |
1944-
| Jane Evelyn Mahon | |
| B: | 23 Aug 1944 |
| Rupert Thomas George Mahon | |
| B: | 1974 |
1947-
| Timothy Gilbert Mahon | |
| B: | 24 Apr 1947 |
| Sir George Edward John Mahon, 6th Baronet | |
| B: | 22 Jun 1911 |
| D: | 1987 |
| Audrey Evelyn Jagger | |
| M: | 20 Sep 1938 |
1959-
| Sarah Caroline Mahon | |
| B: | 22 Oct 1959 |
| Suzanne Donnellan | |
| M: | 14 Feb 1958 |
1911-1918
| Mary Edith Georgiana Mahon | |
| B: | 22 Jun 1911 |
| D: | 17 Nov 1918 |
1950-
| Susan Dillon-Mahon | |
| B: | 3 Jul 1950 |
| Robert John George Dillon-Mahon | |
| B: | 10 Apr 1954 |
| Caroline Mary Forbes | |
| M: | 1983 |
1917-
| Luke Bryan Arthur Mahon | |
| B: | 12 Apr 1917 |
| Audrey Doreen Vipond | |
| M: | 28 May 1949 |
|
| Hon. Edith Augusta Dillon | |
| B: | 9 Aug 1878 |
| Sir William Henry Mahon, 5th baronet | |
| M: | 26 Jan 1905 |
