| Regimental number | 31166 |
| Place of birth | Maclean, Clarence River, New South Wales |
| School | Maclean Superior Public School and Boys High School, New South Wales |
| Other training | Sydney University, NSW |
| Religion | Presbyterian |
| Occupation | Student |
| Address | Maclean, New South Wales |
| Marital status | Single |
| Age at embarkation | 20 |
| Next of kin | Father, H E Small, Maclean, New South Wales |
| Enlistment date | |
| Rank on enlistment | Gunner |
| Unit name | Howitzer Brigade 22, Reinforcement 9 |
| AWM Embarkation Roll number | 13/132/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board RMS Orontes on |
| Rank from Nominal Roll | Gunner |
| Unit from Nominal Roll | 22nd F |
| Other details from Roll of Honour Circular | Keith Campbell Small gained a Bursary at Maclean School to the Sydney School at the age of 14 years passing 1914 to the Sydney University where he graduated a BA in September 1916. He was on the Mathematics Staff of the Parramatta Technical SChool for a short time before enlisting - graduated at the age of 20 years. |
| Fate | Killed in Action |
| Place of death or wounding | Polygon Wood, Ypres, Belgium |
| Age at death | 21 |
| Age at death from cemetery records | 21 |
| Place of burial | Buttes New British Cemetery (Plot VI, Row B, Grave No. 12), Polygon Wood, Zonnebeke, Belgium |
| Panel number, Roll of Honour, Australian War Memorial | 20 |
| Miscellaneous information from cemetery records | Parents: Henry and Mary SMALL, Maclean, New South Wales |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |