| Regimental number | 640 |
| Place of birth | Dignams Creek, New South Wales |
| School | Dignams Creek Public School, New South Wales |
| Religion | Church of England |
| Occupation | Stockman |
| Address | Eden, New South Wales |
| Marital status | Single |
| Age at embarkation | 27 |
| Height | 5' 11" |
| Weight | 140 lbs |
| Next of kin | Father, W Geilvoet, 5 Albert Square, Paddington, New South Wales |
| Previous military service | Nil |
| Enlistment date | |
| Place of enlistment | Sydney, New South Wales |
| Rank on enlistment | Lance Corporal |
| Unit name | 1st Light Horse Regiment, 1st Reinforcement |
| AWM Embarkation Roll number | 10/6/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A42 Boorara on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 1st Light Horse Regiment |
| Fate | Died of wounds |
| Place of death or wounding | Gallipoli, Turkey |
| Age at death from cemetery records | 26 |
| Place of burial | Pieta Military Cemetery (Plot A, Row II, Grave No. 3), Malta |
| Panel number, Roll of Honour, Australian War Memorial | 2 |
| Miscellaneous information from cemetery records | Parents: William and Katherine GEILVOET |
| Other details |
War service: Egypt, Gallipoli Embarked Alexandria to join the Mediterranean Expeditionary Force, Gallipoli, 9 May 1915. Wounded in action (date not recorded); transferred to Malta. Died of wounds (compound fracture of skull), 24 May 1915. Medals: 1914-15 Star, British War Medal, Victory Medal |
| Sources | NAA: B2455, GEILVOET Cornelius |