| Regimental number | 1882 |
| Place of birth | Scotland |
| Other training | Sydney University, NSW |
| Age on arrival in Australia | 8 |
| Next of kin | Mrs Charlotte Elizabeth Loudon, Allworth via Booral, New South Wales |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Lance Corporal |
| Unit name | 301st (Mechanical Transport), 8th Company, Army Service Corps (17th Divisional Ammunition Park) |
| AWM Embarkation Roll number | 25/98/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A40 Ceramic on |
| Rank from Nominal Roll | Corporal |
| Unit from Nominal Roll | 1st Motor Transport Section |
| Other details from Roll of Honour Circular | Died of pneumonia. |
| Fate | Died of disease |
| Miscellaneous details (Nominal Roll) | *Stated to be William Loudon on NR |
| Place of death or wounding | France |
| Age at death | 42 |
| Age at death from cemetery records | 42 |
| Place of burial | Heilly Station Cemetery (Plot V, Row E, Grave No. 28), Mericourt-L'Abbe, France |
| Panel number, Roll of Honour, Australian War Memorial | 181 |
| Miscellaneous information from cemetery records | Parents: William and Rubina LOUDON; husband of Charlotte LOUDON, Moorebank Avenue, Liverpool, New South Wales. Native of Scotland |