| Regimental number | 18600 |
| Place of birth | Smythesdale, Victoria |
| Religion | Presbyterian |
| Occupation | Clerk |
| Address | Townsville, Queensland |
| Marital status | Single |
| Age at embarkation | 25 |
| Height | 5' 5.5" |
| Weight | 112 lbs |
| Next of kin | Aunt, Miss Jessie M Elder, Apollo Bay, Victoria |
| Previous military service | Member for 2.5 years of Townsville Rifle Club. |
| Enlistment date | |
| Place of enlistment | Townsville, Queensland |
| Rank on enlistment | Sapper |
| Unit name | |
| AWM Embarkation Roll number | 22/17/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A55 Kyarra on |
| Rank from Nominal Roll | Sapper |
| Unit from Nominal Roll | 1st Signal Squadron Engineers |
| Fate | Returned to Australia |
| Miscellaneous information from cemetery records | Parents: Aleander and Madonna Christina ELDER |
| Discharge date | |
| Other details |
Commenced return to Australia on board HT 'Malta', 3 July 1919; disembarked Sydney, 10 August 1919; discharged (termination of period of enlistment), Brisbane, 10 September 1919. Medals: British War Medal, Victory Medal |
| Date of death | |
| Age at death | 36 |
| Place of burial | Toowong Cemetery, Queensland |
| Sources | NAA: B2455, ELDER Alexander John |