- O'Dwyer
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Brian Joseph b. 14 Mar 1956, d. 4 Jul 1956
- O'Neal
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Ivor Allan b. 9 Jan 1917, d. 26 Aug 1993
- O'Regan
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Cath b. 1830
- O'Rourke
- Oakenfull
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Winifred Ruth b. 1909, d. 30 Nov 1996
- Oakley
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Amelia b. 8 Jul 1847, d. 22 Sep 1938
- Odlum
- Oldfield
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George Herbert b. c 1890, d. Jun 1985William McCance b. 15 Dec 1928, d. 21 Jul 1997
- Oldman
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Constance Mary b. 3 May 1924, d. 18 Nov 1978
- Oliver
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Fred Preston b. 10 Mar 1881, d. 26 Jul 1966George b. 13 Feb 1772, d. 13 Apr 1834Harold Gordon b. 1 Dec 1905, d. 28 Feb 1967Harold W b. 1934, d. 2 Apr 1938
Matthew b. 31 Oct 1826, d. 6 May 1890
Maurice Gordon b. 13 Jan 1933, d. 2 Mar 1988William Hutchinson b. 1877, d. 9 Mar 1949 - Oram
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John b. 2 Feb 1677, d. 26 Feb 1747Sarah b. c 1717, d. Dec 1770
- Orrock
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Agnes b. 13 Nov 1814, d. 31 Aug 1901James b. c 1682, d. 27 Jan 1735Robert b. c 1717, d. 1798Robert b. 11 May 1753
- Ostle
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Thomas b. 1 Jan 1862, d. 28 Jun 1924William Barwick b. 15 Dec 1885, d. 24 Jun 1961
- Outridge
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Thomas b. 20 Sep 1898, d. 27 Sep 1973Thomas Michael b. 8 Sep 1927, d. 21 Jul 2003