- Olson
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Anton b. c 1861, d. 26 Dec 1945Laurel May b. 21 Apr 1915, d. 5 Oct 1994Lionel Ernscliff Anton b. 11 Jul 1891, d. 18 Apr 1976Robert Alan b. 26 Oct 1919
- Olsson
- Oram
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John b. 2 Feb 1677, d. 26 Feb 1747Sarah b. c 1717, d. Dec 1770
- Orchard
- Organ
- 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
- Outten
-
Phyllis May b. 2 May 1914
- Owens
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Elizabeth Anne b. 2 Apr 1846, d. 17 Aug 1929Jane b. c 1821, d. c Sep 1851Owen b. c 1822, d. 31 Dec 1865
- Oxenham
- Packer
- Page
-
Isabel b. 19 Apr 1719Vera Eileen b. 1913, d. 2 Jul 1949Walter Joseph Wellings b. 6 Dec 1898
- Painter
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James b. 1747, d. Apr 1843Lucy b. 1790, d. 24 Apr 1855William b. c 1817, d. 7 May 1866