| Regimental number | 778 |
| Place of birth | Kempsey, Macleay River, New South Wales |
| School | Bowra Public School, New South Wales |
| Other training | Labourer |
| Religion | Church of England |
| Occupation | Labourer |
| Address | Bowraville, Nambucca River, New South Wales |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Father, W H Mottley, Bowraville, Nambucca River, New South Wales |
| Previous military service | Served in the cadets. |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 1st Machine Gun Company, 14th Reinforcements |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A60 Aeneas on |
| Regimental number from Nominal Roll | 778A |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 3rd Machine Gun Battalion |
| Other details from Roll of Honour Circular | 'He loved his mother and for her honour, he died also for his country.' |
| Fate | Died of wounds |
| Miscellaneous details (Nominal Roll) | *Alexander Frances |
| Place of death or wounding | France |
| Age at death | 18 |
| Age at death from cemetery records | 18 |
| Place of burial | Daours Communal Cemetery Extension (Plot VI, Row A, Grave No. 29), France |
| Commemoration details | Bowraville Cemetery, New South Wales |
| Panel number, Roll of Honour, Australian War Memorial | 178 |
| Miscellaneous information from cemetery records | Parents: W.H.P. and Jemima MOTTLEY, Bowraville, New South Wales. Native of Kempsey, New South Wales |
| Family/military connections | Brother: Henry G MOTTLEY, 3rd Machine Gun Bn, returned to Australia; Cousin: Bombardier W Mottley, RFA |