| Date | Event | Place | Reference |
| 1874 | George David GUMBLETON: Birth registered | Wimborne RD, Dorset | GRO Birth Index
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| 3 Apr 1881 | George GUMBLETON living in Witchampton Common in 1881 census | Witchampton, Dorset | 1881 census
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| 1891 | George D Gumbleton living in Moor Critchell index in 1891 census | Moor Critchel, Dorset | 1891 census
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| 1891 | George D Gumbleton in Moore Critchell, Dorset in 1891 census | Moor Critchel, Dorset | 1891 census
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| 31 Mar 1901 | George Gumbleton in Bournemouth in 1901 census | Bournmouth, Dorset | 1901 Census
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| 1902 | Marriage of George David Gumbleton | Poole RD, Dorset | GRO Marriage indexes
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| 2 Apr 1911 | George David Gumbleton in Christchurch, Hampshire in 1911 census. | Christchurch, Hampshire | 1911 census
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| 30 Sep 1921 | Will of George David Gumbleton of Bournemouth | Bournmouth, Dorset | Will
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| 1921 | George D Gumbleton death registered, age 47 | Christchurch RD, Hampshire | GRO death index
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