| Regimental number | 6838A |
| Place of birth | Kyneton, Victoria |
| School | Auburn State School and Scotch College |
| Religion | Presbyterian |
| Occupation | Farmer |
| Address | Glenferrie, Victoria |
| Marital status | Single |
| Age at embarkation | 20 |
| Height | 6' 2.75" |
| Weight | 188 lbs |
| Next of kin | Father, J. Miller, 4 Kooyong-Koot Road, Glenferrie, Victoria |
| Previous military service | Served for 3.5 years in Senior Cadets |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Place of enlistment | Glenferrie, Victoria |
| Rank on enlistment | Private |
| Unit name | 24th Battalion, 20th Reinforcements |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A71 Nestor on |
| Rank from Nominal Roll | Lance Corporal |
| Unit from Nominal Roll | 24th Battalion |
| Other details from Roll of Honour Circular | Cousins: 5036 Gunner William Lindsay AFFLECK, 14th Bn, returned to Australia, 1 July 1919; 871 Sergeant Herbert Alexander AFFLECK, 1st Field Artillery Brigade, killed in action, 17 August 1917. |
| Fate | Killed in Action |
| Place of death or wounding | Montbrehain, France |
| Age at death | 21 |
| Place of burial | Bellicourt British Cemetery (Plot VI, Row T, Grave No. 3), France |
| Panel number, Roll of Honour, Australian War Memorial | 103 |
| Miscellaneous information from cemetery records | Parents: John and Margaret Ann MILLER, 11 Victoria Road, Camberwell, Victoria, Australia. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Sources | NAA: B2455, MILLER Henry Blake |