- O'Hara
-
Felix 8952 b. 1834, d. 23 May 1910Henry 8378 b. 1837James 8379 b. 1839James 9841 b. 1839Michael 4045 b. 1837Michael 6147 b. 1838
- O'Hare
-
Daniel 7223 b. 1804, d. 30 Jul 1873Felix 8952 b. 1834, d. 23 May 1910
- O'Lachlan
-
Roderick 8376 b. 1835
- O'Lochlan
-
Roderick 8376 b. 1835
- O'Mahoney
-
Cornelius 9842 b. 1839, d. 5 Mar 1879
- O'Mahony
-
Cornelius 9842 b. 1839, d. 5 Mar 1879
- O'Malley
-
Anthony 4258 b. 1836, d. 21 Feb 1884
- O'Mara
-
Cornelius 2176 b. 1828, d. 4 Jan 1911John 2530 b. 1830, d. 31 Dec 1915
- O'Neil
-
James 4478 b. 1830John 4335 b. 1830John 5140 b. 1830Michael 4329 b. 1833, d. 27 Sep 1914Peter 7505 b. 1842, d. 10 Jun 1890Peter 8954 b. 1829Stephen 2591 b. 1830Terence 4391 b. 1832
- O'Neill
-
John 2529 b. 1835John 4335 b. 1830Joseph 9541 b. 1846Michael 4329 b. 1833, d. 27 Sep 1914Stephen 2591 b. 1830Terence 4391 b. 1832
- O'Pra
-
Daniel 5425 b. 1838