O’CONNOR, JOHN; b.; adm. (aged 12) Nov 1742; left 1743.
O’CARROL, SIR JOHN, BART., brother of Sir Daniel O’Carrol, Bart. (qv); b. 14 Feb 1721/2; adm. (aged 8) May 1730; left 1736; succ. brother as 3rd baronet 30 Jan 1758; m.; living at Bath 10 Jun 1777. [possibly John O’Carrol who m. at St. Michael le Belfry, York 8 May 1751 Henrietta Whitley (IGI)]
O’CARROL, SIR DANIEL, BART., eldest son of Lieut. -Gen. Sir Daniel O’Carrol, Bart., and Elizabeth, dau. of Thomas Jervoise MP, Herriard, Hampshire; b.; adm. (aged 13) May 1730; left 1736; succ. father as 2nd baronet 4 Nov 1750; Capt., Ligonier’s Horse May 1752; m.; d. at Dublin 30 Jan 1758.
O’CAROL, ---; b.; in school list 1733.
O’BRIEN, WILLIAM, third son of Henry O’Brien, Stonehall, co. Clare, and Blatherwycke, Northants, and Susannah, dau. of William Stafford, Blatherwycke, Northants; b. Dublin; adm. (aged 11) Jan 1729/30; Min. Can. 1734; KS 1736; left 1740; Sidney Sussex Coll. Cambridge, adm. min. pens. 15 Jun 1742; ordained deacon (Lincoln, lit. dim. from Peterborough) 25 Sep 1743; d. unm. [will proved PC Dublin 1752]
O’BRIEN, JOSEPH FRANCO, son of Michael O’Brien, and Leah, dau. of Abraham Hain Franco; bapt. St. Luke, Chelsea 16 Jun 1793 (IGI); in school list 1801; left 1803.
O’BRIEN, JAMES THOMAS, second son of Right Rev. James Thomas O’Brien DD, Bishop of Ossory, Ferns and Leighlin, and Ellen, second dau. of Right Hon. Edward Pennefather PC (I), Lord Chief Justice of Ireland; b. 19 Aug 1841; adm. Jan 1855 (G); QS 1856; left 1859; Ensign, 43rd Foot 10 Jul 1863; Lieut., 29 Jul 1865; Capt., 18 Oct 1873; Maj., 19 Aug 1881; Paymaster, 21 Dec 1881; retd. 19 Sep 1894; served in New Zealand War 1864-5; d. 17 Oct 1894.
O’BRIEN, HON. JAMES, third son of William O’Brien, 2nd Earl of Inchiquin (I), Governor of Jamaica, and his first wife Lady Margaret Boyle, third dau. of Roger Boyle, 1st Earl of Orrery (I); b. ; at school under Busby (Alum. Dub. ); Trinity Coll. Dublin, adm. fellow commoner 8 Jun 1685, aged 14; BA 1687; d. unm. on voyage home from Jamaica 1691.
O’BRIEN, SIR GEORGE THOMAS MICHAEL, brother of James Thomas O’Brien (qv); b. 5 Nov 1844; at Marlborough Coll. Feb 1856 – Easter 1858; adm. 3 Jun 1858 (G); QS 1859; rowed v. Eton 1 Aug 1862; gave evidence before Public Schools Commission 3 Feb 1863 (Parliamentary Papers, 1864, xxi, 495-504); elected head to Trinity Coll. Cambridge 1863 (with Triplett), adm. pens. 3 Jun 1863, matr. 1864; Ceylon Civil Service 1867; Police Magistrate, Harrispattu Jan 1869; acting Second Assistant Colonial Secretary Feb 1870, Principal Assistant Sep 1876; Treasurer, Ceylon Aug 1886-90, Controller of the Revenue 1890-1; Colonial Secretary, Cyprus 1891-2, Hong Kong 1892-5; Governor of Fiji and High Commissioner of the Western Pacific, and Consul-General, Western Pacific Islands, 1897-1902; CMG 24 May 1889; KCMG 26 May 1894; benefactor; d. 12 Apr 1906.
O’BRIEN, FRANCIS ALEXANDER, brother of James Thomas O’Brien (qv); b. 13 Jul 1850; adm. 22 Jan 1864 (G); QS 1865; elected head to Christ Church, Oxford 1869, matr. 19 May 1869; BA 1873; MA 1878; ordained deacon 1877, priest 1879 (both Gloucester and Bristol); Curate, Iron Acton, Gloucs., 1877-84; Rector of Walton d’Eiville, Warwicks., 1884-98; Rector of Charwelton, Northants 10 Nov 1898 – Oct 1920; m. 17 Jun 1884 Edith Christina, youngest dau. of Edward Burges, Chipping Sodbury, Gloucs., solicitor; d. 23 Jan 1927.