| Regimental number | 17850 |
| Place of birth | Warialda, New South Wales |
| Religion | Church of England |
| Occupation | Miner |
| Address | c/o J J Pinfold, Carrington Street, West Maitland, New South Wales |
| Marital status | Married |
| Age at embarkation | 33 |
| Height | 5' 3" |
| Weight | 130 lbs |
| Next of kin | Wife, Mrs A F Seinor, c/o J J Pinfold, Carrington Street, West Maitland, New South Wales |
| Previous military service | Yes; 4 months Volunteer Rifles Greta |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Place of enlistment | Sydney, New South Wales |
| Rank on enlistment | Private |
| Unit name | 1st Light Horse Field Ambulance, 29th Reinforcement |
| AWM Embarkation Roll number | 26/39/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A18 Wiltshire on |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A55 Kyarra on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 1st Light Horse Regiment |
| Fate | Returned to Australia |
| Miscellaneous information from cemetery records | Parents: Joseph and Mary Ann SEINOR |
| Discharge date | |
| Other details |
Commenced return to Australia on board HT 'Berrima', 16 January 1919; disembarked Melbourne, 17 March 1919, for onward travel to Sydney; discharged (medically unfit), Sydney, 10 June 1920. Medals: British War Medal, Victory Medal Death attributed to war service. |
| Date of death | |
| Age at death | 53 |
| Place of burial | Kurri Kurri Cemetery, New South Wales |
| Sources | NAA: B2455, SEINOR Hilton Joseph |