| Regimental number | 3405 |
| Place of birth | Clunes, Victoria |
| Religion | Church of England |
| Occupation | Engineer |
| Address | 18 Albert Street, Goodwood, Adelaide, South Australia |
| Marital status | Married |
| Age at embarkation | 35 |
| Next of kin | Wife, Mrs Evelyn Henwood, 18 Albert Street, Goodwood, Adelaide, South Australia |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Sergeant |
| Unit name | No 4 Tunnelling Company - No 1 Military District |
| AWM Embarkation Roll number | 16/10/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A69 Warilda on |
| Rank from Nominal Roll | Sergeant |
| Unit from Nominal Roll | Tunnelling Companies Details |
| Fate | Returned to Australia |
| Miscellaneous details (Nominal Roll) | *Given name William Percival |
| Miscellaneous information from cemetery records | Parents: James and Emblem HENWOOD |
| Other details | Medals: British War Medal, Victory Medal |
| Date of death | |
| Age at death | 47 |
| Place of burial | Rockhampton Cemetery, Queensland |