O’GRADY, STANDISH DARBY, 2ND VISCOUNT GUILLAMORE (I), eldest son of Standish O’Grady, 1st Viscount Guillamore (I) PC (I), Lord Chief Baron of the Exchequer (I), and Katherine, second dau. of John Thomas Waller, Castletown, co. Limerick; b. 26 Dec 1792; adm.; left 1809; Trinity Coll. Dublin, adm. fellow commoner 4 Jul 1809; Cornet, 7th Light Dragoons 21 Mar 1811; Lieut., 6 Aug 1812; Capt., 20 Jul 1815; half-pay 25 May 1816; 18th Light Dragoons 22 Jul 1819; half-pay 10 Nov 1821; Maj., unattached, half-pay 29 Oct 1825; 24th Foot 1 Feb 1827; Lieut. -Col., unattached, half-pay 14 Apr 1829; Col. and ADC to Queen Victoria 29 Jul 1842; commanded troop of 7th Light Dragoons in skirmish with French Lancers at Genappe 17 Jun 1815, and served at battle of Waterloo the following day; MP Co. Limerick 1820-6, 1830-4; succ. father as 2nd Viscount Guillamore (I) 21 Apr 1840; m. 16 Oct 1828 Gertrude Jane, eldest dau. of Hon. Berkeley Thomas Paget MP, and niece of Henry William Paget, 1st Marquis of Anglesey (qv); d. 22 Jul 1848. DNB.
O’FARRELL, PHILIP CULVERTHORPE HANDLEY, brother of Horace Handley O’Farrell (qv); b. 31 Aug 1858; adm. 26 Sep 1872; left Nov 1875; stockbroker (1881 Census); d. in New Zealand 1884.
O’FARRELL, HORACE HANDLEY, eldest son of Henry Handley O’Farrell, Douro Place, Kensington, Middlesex, civil servant, and Elizabeth --- (1881 Census); b. 12 Feb 1854; adm. 23 Sep 1869; left May 1872 (with Triplett); adm. Middle Temple 23 Jan 1875; Indian Civil Service, Madras 1873; arrived in India 23 Nov 1875; Assistant to Collector and Magistrate, Tinnevelly 1876; Agent to Governor, Vizagapatam 1888; District and Sessions Judge, Trichinopoly 1891, Collector and Magistrate 1894, Officiating Judge of High Court 1899; retd. Mar 1902; m. 14 Jul 1884 Annie Catherine, sister of Robert Clifford Lloyd (qv); d. 12 Apr 1923.
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.