| Regimental number | 19889 |
| Place of birth | Warialda New South Wales |
| Religion | Church of England |
| Occupation | Bank clerk |
| Address | Sydney, New South Wales |
| Marital status | Single |
| Age at embarkation | 24 |
| Next of kin | Mother, Mrs Sarah Geddes, 'Cyrene', Railway Street, Chatswood, New South Wales |
| Enlistment date | 26 April 1917 |
| Rank on enlistment | Sapper |
| Unit name | August 1917 Reinforcements |
| AWM Embarkation Roll number | 14/42/3 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A71 Nestor on 21 November 1917 |
| Rank from Nominal Roll | Sapper |
| Unit from Nominal Roll | 15th Field Company Engineers |
| Fate | Returned to Australia 5 July 1919 |
| Family/military connections | Brothers: R927 Corporal Clifford Mervyn GEDDES, AIF Headquarters, returned to Australia, 4 June 1919; 3647 Sergeant Aubrey Allen GEDDES, 13th Bn, returned to Australia, 13 December 1917. |