| Regimental number | 2375 |
| Place of birth | Eyemouth, Berwickshire, Scotland |
| School | Eyemouth Public School, Scotland |
| Age on arrival in Australia | 25 |
| Religion | Presbyterian |
| Occupation | Clerk |
| Address | 42 Edward Street, East Perth, Western Australia |
| Marital status | Single |
| Age at embarkation | 30 |
| Next of kin | Father, Mr John Borthwick, Albert Road, Eyemouth, Scotland |
| Previous military service | Nil |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 51st Battalion, 5th Reinforcement |
| AWM Embarkation Roll number | 23/68/3 |
| Embarkation details | Unit embarked from Fremantle, Western Australia, on board HMAT A66 Uganda on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 51st Battalion |
| Fate | Died of wounds |
| Place of death or wounding | Pozieres, Somme Sector, France |
| Date of death | |
| Age at death | 32 |
| Age at death from cemetery records | 31 |
| Place of burial | Pozieres british Cemetery (Plot II, Row D, Grave No. 36), Ovillers-La-Boisselle, France |
| Panel number, Roll of Honour, Australian War Memorial | 152 |
| Miscellaneous information from cemetery records | Parents: John and Catherine BORTHWICK, 27A Albert Road, Eyemouth, Scotland |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |