| Regimental number | 1311 |
| Place of birth | Warrickshire, England |
| Other Names | Guy Hartley ARNOLD, Greg Hartley |
| School | North Bosworth School, Leicestershire, England |
| Age on arrival in Australia | 23 |
| Religion | Church of England |
| Occupation | Labourer |
| Address | Owens Creek, Mackay, Queensland |
| Marital status | Single |
| Age at embarkation | 27 |
| Next of kin | Father, S Arnold, Owens Creek, Gargett, Mackay, Queensland |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Private |
| Unit name | 2nd Battalion, 2nd Reinforcement |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A48 Seang Bee on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 2nd Battalion |
| Fate | Killed in Action |
| Place of death or wounding | Ypres, Belgium |
| Date of death | |
| Age at death | 28 |
| Age at death from cemetery records | 28 |
| Place of burial | Rue-Du-Bois Military Cemetery (Plot I, Row E, Grave No. 33), Fleurbaix, France |
| Panel number, Roll of Honour, Australian War Memorial | 31 |
| Miscellaneous information from cemetery records | Parents: Ralph and Emma ARNOLD, Milton, England |
| Family/military connections | Brother Pte T E Arnold 2nd Batt and Gunner R J Arnold 1st Batt. |