- Trenwith
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Christiana Blakney b. c 1835
- Tress
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Martha b. 22 Apr 1812
- Tressider
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Annie b. Jun 1843, d. Mar 1906
- Trethewey
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Elizabeth b. 12 Apr 1814Fanny b. 26 Feb 1843Mary b. 22 Apr 1816Samuel B b. 1866
- Trevathen
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Jamiel b. 1887Mary b. 1889Mary Alma b. 1857Mary Alma Bassett b. 1882Maud Vincent b. 1883
- Trevena
- Trevethick
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Eliza Jane b. 1833, d. Sep 1902
- Troth
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Emily Florence Elizabeth d. 30 May 1954
- Trudgian
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Ellen b. 1855James b. 1795Johanna Hawkey b. 1806Kate b. 1862