| Regimental number | 2989A |
| Place of birth | Oakey, Queensland |
| Religion | Church of England |
| Occupation | Labourer |
| Address | Oakey, Western Line, Queensland |
| Marital status | Single |
| Age at embarkation | 31 |
| Next of kin | Father, Henry Underwood, Oakey, Queensland |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Place of enlistment | Toowoomba, Queensland |
| Rank on enlistment | Private |
| Unit name | 31st Battalion, 6th Reinforcement |
| AWM Embarkation Roll number | 23/48/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A40 Ceramic on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 31st Battalion |
| Fate | Returned to Australia |
| Miscellaneous information from cemetery records | Parents: Henry and Emma UNDERWOOD |
| Family/military connections | Brother: 3953 Lance Corporal Ralph Norman UNDERWOOD, 49th Bn, returned to Australia, 19 February 1919. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Date of death | |
| Age at death | 48 |
| Place of burial | Oakey Cemetery, Queensland |
| Sources | NAA: B2455, UNDERWOOD William Charles |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
