1885-1968
| Ina Kathleen Philippa O'Brien | |
| B: | 5 Feb 1885 |
| Bengal Presidency, India | |
| D: | 21 Feb 1968 |
| County Galway, Ireland | |
1872-1952
| Edwin Henry Tappen Gough | |
| B: | 1872 |
| Leeds, Yorkshire West Riding, England, United Kingdom | |
| M: | 1908 |
| Dover, Kent, England, United Kingdom | |
| D: | 7 Apr 1952 |
| County Galway, Ireland | |
Abt 1917-1944
| Terence Patrick Reginald John O'Brien | |
| B: | Abt Oct 1917 |
| D: | 12 Jul 1944 |
| India | |
1918-
| Sheila Cormack Clark | |
| B: | 1918 |
| M: | 7 Aug 1943 |
| Bengal Province, India | |
1920-1994
| Philippa Joan Hermione O'Brien | |
| B: | 15 Apr 1920 |
| D: | 1994 |
| Devon, England, United Kingdom | |
1917-2010
| Edward Waterhouse Foster | |
| B: | 9 Dec 1917 |
| M: | 3 May 1947 |
| Durban, KwaZulu-Natal, South Africa | |
| D: | 27 May 2010 |
| Tavistock, Devon, England, United Kingdom | |
1888-1979
| Charles Terence Edmund Hamilton O'Brien | |
| B: | 17 Dec 1888 |
| D: | 1979 |
Abt 1894-1993
| Doris Irene Stuart Cannon | |
| B: | Abt 1894 |
| Bicester, Oxfordshire, England, United Kingdom | |
| M: | 27 Jul 1916 |
| Johannesburg, Gauteng, South Africa | |
| D: | Between 1921 and 1993 |
1927-2015
| Charles Ian Millward O'Brien | |
| B: | 22 Dec 1927 |
| D: | 2 Jun 2015 |
| Epsom, Surrey, England, United Kingdom | |
1922-2009
| Marion Ceinwedd Mary Lloyd | |
| B: | 1922 |
| M: | Oct 1963 |
| Surrey, England, United Kingdom | |
| D: | 1 May 2009 |
1931-1997
| Mary Clare Millward O'Brien | |
| B: | 6 Jun 1931 |
| Birmingham, Birmingham, West Midlands, England, United Kingdom | |
| D: | 28 Aug 1997 |
| Oxford, Oxfordshire, England, United Kingdom | |
1893-1985
| John Francis Clare O'Brien | |
| B: | 15 Jul 1893 |
| Lucknow, North-Western Provinces, India | |
| D: | 14 Feb 1985 |
| Berkshire, England, United Kingdom | |
1893-1993
| Esther Mary Millward | |
| B: | 12 Jul 1893 |
| M: | Apr 1922 |
| Droitwich, Worcestershire, England, United Kingdom | |
| D: | Apr 1993 |
| Oxford, Oxfordshire, England, United Kingdom | |
| Lt-Col. Charles Richard Mackay O'Brien, KCMG | |
| B: | 13 Dec 1859 |
| Bengal Presidency, India | |
| D: | 29 Nov 1935 |
1854-1899
| Christina Mary "Ina" Burn-Murdoch | |
| B: | 5 Aug 1854 |
| M: | 28 Jan 1884 |
| D: | 1899 |