| Date | Event | Place | Reference |
|---|
| 1882 | Leonard George GUMBLETON: Birth registered | Portsea RD, Hampshire | GRO Birth Index
|
| 1891 | Leonard G Gumbleton in Portsea, Hampshire in 1891 census | Portsea, Hampshire | 1891 census
|
| 15 Aug 1902 | Discharge from army | Portsmouth, Hampshire | Army discharge papers
|
| 1910 | Marriage of Leonard G Gumbleton | Portsmouth RD, Hampshire | GRO Marriage indexes
|
| 2 Apr 1911 | Leonard George Gumbleton in Portsmouth, Hampshire in 1911 census. | Portsmouth, Hampshire | 1911 census
|
| 1918 | WWI Campaign Medal | - | WWI Campaign Medals
|
| 1969 | Death of Leonard George Gumbleton | Epping RD | GRO death index
|