| Regimental number | 2424 |
| Religion | Church of England |
| Occupation | Telephone mechanic |
| Address | 101 Victoria Road, Marrickville, Sydney, New South Wales |
| Marital status | Single |
| Age at embarkation | 22 |
| Next of kin | Father, J F McClannon, 101 Victoria Road, Marrickville, New South Wales |
| Enlistment date | 17 July 1915 |
| Rank on enlistment | Private |
| Unit name | 18th Battalion, 5th Reinforcement |
| AWM Embarkation Roll number | 23/35/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A32 Themistocles on 5 October 1915 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 2nd Pioneer Battalion |
| Fate | Returned to Australia 13 April 1919 |
| Miscellaneous details (Nominal Roll) | *surname two spellings MCCLANNON and MCCLANNAN |
