| Regimental number | 17121 |
| Place of birth | Balfes Creek Queensland |
| Religion | Presbyterian |
| Occupation | Railway stationmaster |
| Address | Nyandra, Queensland |
| Marital status | Single |
| Age at embarkation | 26 |
| Next of kin | Father, James McGiffin, Railway Stationmaster, Oakey, Queensland |
| Enlistment date | 8 May 1916 |
| Rank on enlistment | Sapper |
| Unit name | Australian Wireless Squadron 1, Reinforcement 7 |
| AWM Embarkation Roll number | 22/16/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board RMS Mooltan on 23 December 1916 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 1st Australian Wireless Signal Squadron |
| Fate | Returned to Australia 22 March 1919 |
| Family/military connections | Brother: 1819 Sergeant James McGIFFIN, 16th Australian Light Railway Operating Company, returned to Australia, 1 July 1919. |
| Other details | Medals: British War Medal, Victory Medal |
