| Regimental number | 3773 |
| Place of birth | Jersey Channel Islands |
| Religion | Roman Catholic |
| Occupation | Labourer |
| Address | 87 Stawell Street, Burnley, Victoria |
| Marital status | Single |
| Age at embarkation | 30 |
| Next of kin | Father, J Guerin, Bordeaux, Vale, Guernsey, Channel Islands |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 6th Battalion, 12th Reinforcement |
| AWM Embarkation Roll number | 23/23/3 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A40 Ceramic on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 6th Battalion |
| Fate | Died of wounds |
| Miscellaneous details (Nominal Roll) | *Spelt John Francis Gubrin on NR |
| Age at death from cemetery records | 32 |
| Place of burial | Etaples Military Cemetery (Plot X, Row A, GRave No. 8), France |
| Panel number, Roll of Honour, Australian War Memorial | 46 |
| Miscellaneous information from cemetery records | Parents: Jean and Louisa GUERIN, Bordeaux, Vale, Guernsey. Native of Jersey, Channel Isles |