| Regimental number | 2777 |
| Place of birth | Ballarat East, Victoria |
| School | State School, Brown Hill, Ballarat, Victoria |
| Religion | Methodist |
| Occupation | Dentist |
| Address | 38 Walker Street, North Geelong, Victoria |
| Marital status | Single |
| Age at embarkation | 22 |
| Next of kin | Mother, Mrs J Sells, 38 Walker Street, North Geelong, Victoria |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Private |
| Unit name | 24th Battalion, 6th Reinforcement |
| AWM Embarkation Roll number | 23/41/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A38 Ulysses on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 8th Battalion |
| Other details from Roll of Honour Circular | Name in full on RoH: John Bray SELLS. |
| Fate | Killed in Action |
| Place of death or wounding | Proyart, near Peronne, France |
| Age at death | 23 |
| Age at death from cemetery records | 25 |
| Place of burial | Heath Cemetery (Plot VI, Row B, Grave No. 20), Harbonnieres, France |
| Panel number, Roll of Honour, Australian War Memorial | 54 |
| Miscellaneous information from cemetery records | Parents: John and Eliza SELLS |
| Family/military connections | Brother: 3637 Pte William Woodman SELLS, 58th Bn, returned to Australia, 31 March 1919. |
| Other details |
Medals: 1914-15 Star, British War Medal, Victory Medal |