| Regimental number | 970 |
| Place of birth | Sydney, New South Wales |
| Religion | Roman Catholic |
| Occupation | Miner |
| Address | Mrs. P. Heffernan, c/o Mrs. Roberts, Brighton Road, Brighton, South Australia |
| Marital status | Married |
| Age at embarkation | 22 |
| Next of kin | Wife, Mrs. G. Hefferman, c/o Mrs. Roberts, Brighton Road, Brighton, South Australia |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 3rd Light Horse Regiment, 5th Reinforcement |
| AWM Embarkation Roll number | 10/8/2 |
| Embarkation details | Unit embarked from Adelaide, South Australia, on board HMAT A59 Botanist on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 9th Light Horse Regiment |
| Fate | Returned to Australia |
| Miscellaneous details (Nominal Roll) | Nominal Roll also lists 1032A Percy HEFFERMAN, 3rd Light Horse, returned to Australia, 3 September --? On the Embarkation Roll, 970 Percy HEFFERMAN is also given the number 1032 bracketed with 970. |
| Place of death or wounding | Egypt |
| Age at death | 23 |
| Place of burial | West Terrace Cemetery (Portion Roman Catholic, Row K, Grave No. 24), Adelaide |
| Panel number, Roll of Honour, Australian War Memorial | 3 |
| Miscellaneous information from cemetery records | Parents: John and Rose HEFFERMAN; husband of Mrs. G. HEFFERMAN. Native of Sydney |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
