| Regimental number | 2217 |
| Place of birth | South Yarra, Victoria |
| School | Malvern State School, Victoria |
| Religion | Church of England |
| Occupation | Carpenter |
| Address | Shaftesbury Avenue, Malvern, Victoria |
| Marital status | Single |
| Age at embarkation | 18 |
| Height | 5' 5.5" |
| Weight | 154 lbs |
| Next of kin | Father, H Montgomery, Shaftesbury Avenue, Malvern, Victoria |
| Previous military service | Served in Senior Cadets. |
| Enlistment date | |
| Place of enlistment | Seymour, Victoria |
| Rank on enlistment | Private |
| Unit name | 7th Battalion, 6th Reinforcement |
| AWM Embarkation Roll number | 23/24/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A62 Wandilla on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 59th Battalion |
| Fate | Killed in Action |
| Age at death from cemetery records | 18 |
| Place of burial | No known grave |
| Commemoration details | V.C. Corner (Panel No 17), Australian Cemetery Memorial, Fromelles, France |
| Panel number, Roll of Honour, Australian War Memorial | 168 |
| Miscellaneous information from cemetery records | Parents: Henry and Elizabeth MONTGOMERY, Shaftesbury Avenue, Malvern North. Native of South Yarra |
| Family/military connections | Cousin: 59 Pte Robert Henry KEIR CdeG, 32nd Bn, returned to Australia, 20 January 1917. |
| Other details |
War service: Egypt, Gallipoli, Western Front Joined 7th Bn, Gallipoli, 5 August 1915. Wounded in action, Lone Pine, 8-9 August 1915; admitted to 2nd Light Horse Field Ambulance, 9 August 1915; transferred to 24th Casualty Clearing Station, Mudros, 11 August 1915 (Class A: shock); rejoined Bn, 19 August 1915. Disembarked Alexandria, 7 January 1916 (general Gallipoli evacuation). Transferred to 59th Bn, and taken on strength, Tel el Kebir, 24 February 1916. Embarked Alexandria to join the British Expeditionary Force, 18 June 1916; disembarked Marseilles, France, 29 June 1916. Posted missing, 19 July 1916. Court of Enquiry, held in the field, 29 August 1917, pronounced fate as 'Killed in Action, 19 July 1916'. Handwritten note on Form B103: 'Presume Buried In No Man's Land approx 5J90 43 to 5K02.5.1 Sheet Hazebrouck 5A'. Medals: 1914-15 Star, British War Medal, Victory Medal |
| Sources | NAA: B2455, MONTGOMERY William Henry |