| Regimental number | 3691 |
| Place of birth | Balaklava, South Australia |
| Religion | Church of England |
| Occupation | Carpenter |
| Address | Adelaide, South Australia |
| Marital status | Married |
| Age at embarkation | 32 |
| Next of kin | Wife, Mrs E E Southwood, 190 Wakefield Street, Adelaide, South Australia |
| Previous military service | Nil |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Private |
| Unit name | 5th Pioneer Battalion, Reinforcement 9 |
| AWM Embarkation Roll number | 14/17/4 |
| Embarkation details | Unit embarked from Adelaide, South Australia, on board HMAT A48 Seang Bee on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 12th Battalion |
| Fate | Died of wounds |
| Miscellaneous details (Nominal Roll) | *Given name William Walter |
| Place of death or wounding | France |
| Age at death | 33 |
| Age at death from cemetery records | 33 |
| Place of burial | Brookwood Military Cemetery (Plot XI, Row C, Grave NO. 10), Surrey, England, England |
| Panel number, Roll of Honour, Australian War Memorial | 67 |
| Miscellaneous information from cemetery records | Parents: William and Annie SOUTHWOOD; husband of Emily SOUTHWOOD, Adelaide House, Bond Street, Cromer, Norfolk, England. Native of Balaklava, South Australia |