| Regimental number | 1369 |
| Place of birth | Magill, South Australia |
| Religion | Roman Catholic |
| Occupation | Labourer |
| Address | Yacka, South Australia |
| Marital status | Single |
| Age at embarkation | 20.11 |
| Height | 5' 6.25" |
| Weight | 142 lbs |
| Next of kin | Father, Jack Cosgrove, Yacka, South Australia |
| Previous military service | Nil (exempt area under Compulsory Military Training scheme) |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Place of enlistment | Adelaide, South Australia |
| Rank on enlistment | Private |
| Unit name | 9th Light Horse Regiment, 11th Reinforcement |
| AWM Embarkation Roll number | 10/14/3 |
| Embarkation details | Unit embarked from Adelaide, South Australia, on board HMAT A24 Benalla on |
| Regimental number from Nominal Roll | 136 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 9th Light Horse Regiment |
| Fate | Returned to Australia |
| Discharge date | |
| Other details |
War service: Egypt, Western Front Commenced return to Australia on board HT 'Oxfordshire', 10 July 1919; discharged (termination of period of enlistment), Adelaide, 3 October 1919. Medals: 1914-15 Star, British War Medal, Victory Medal |
| Date of death | |
| Place of burial | West Terrace Cemetery, Adelaide, South Australia |
| Sources | NAA: B2455, COSGROVE Leonard Leo |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
