- 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
- O'Reilly
-
John Boyle 9843 b. 28 Jun 1844, d. 10 Aug 1890
- O'Riordan
-
Patrick 9851 b. 1847, d. May 1871
- O'Rourke
-
Patrick 5153 b. 1828, d. 21 May 1888Thomas 8097 b. 1836
- O'Sullivan
-
William Alfred 224 b. 1826, d. 16 Jul 1890
- O'Wilkes
-
John 1614 b. 1820
- Oakden
-
Thomas 5415 b. 1830, d. 10 Aug 1861
- Oakes
-
John 8161 b. 1838
- Oakley
-
Israel 6689 b. 1838William 6687 b. 1831
- Oates
-
John 683 b. 1809, d. 2 May 1887Stephen 4015 b. 1824, d. 6 Apr 1871Thomas 5034 b. 1809, d. 17 Oct 1862William 5047 b. 1830, d. 11 Jul 1893
- Oats
-
John 683 b. 1809, d. 2 May 1887William 5047 b. 1830, d. 11 Jul 1893