| Regimental number | 1083 |
| Place of birth | London, England |
| School | College |
| Age on arrival in Australia | 14 |
| Religion | Church of England |
| Occupation | Farmer |
| Address | Bunbury, Western Australia |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Sister, Iris Tara Gibney, Harvey, Western Australia |
| Previous military service | Served for 3 years in the 25th Light Horse, Citizen Military Forces; still serving at time of AIF enlistment. |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Private |
| Unit name | 32nd Battalion, C Company |
| AWM Embarkation Roll number | 23/49/1 |
| Embarkation details | Unit embarked from Adelaide, South Australia, on board HMAT A2 Geelong on |
| Embarkation details | Unit embarked from Fremantle, Western Australia, on board HMAT Katuna on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 32nd Battalion |
| Fate | Killed in Action |
| Place of death or wounding | Fromelles, France |
| Age at death | 22 |
| Age at death from cemetery records | 22 |
| Place of burial | No known grave |
| Commemoration details | V.C. Corner (Panel No 5), Australian Cemetery Memorial, Fromelles, France |
| Miscellaneous information from cemetery records | Parents: Sommerville and Fanny GIBNEY. Native of London, England |
| Other details |
War service: Egypt, Western Front Disembarked Suez, ex-HMAT 'Geelong', 18 December 1915. Embarked Alexandria to join the British Expeditionary Force, 17 June 1916; disembarked Marseilles, France, 23 June 1916. Posted missing, 20 July 1916. To be reported as 'Killed in Action, 20 July 1916' after Private L. J. Western 334, 32nd Bn, certified that Private Gibney had succumbed to his wounds on that date. Statement, Red Cross File No 1160103, 207 Pte H. MURRAY, 11 April 1917: 'I saw him lying wounded in the German 3rd. line of trenches at Fleurbaix on 19th. July. It was only a slight wound in the groin. We had to leave him there, when we retired. He could not be take. If alive he must be a P/W.' Second statement, 2067 Pte W.L. LYNCH, 32nd Bn (patient, Splott Road Hospital, Cardiff, Wales), 9 December 1916: 'I saw Gibney lying on the parapet of the German third line.' Medals: 1914-15 Star, British War Medal, Victory Medal |
| Miscellaneous details | Second and third given names incorrectly entered on Embarkation Roll as Summerville Dixon. |
| Sources | NAA: B2455, GIBNEY Guy Somerville Dion
Red Cross File No 1160104D |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
