| Dates | 1802-1890 |
| Person Name | Collier; William Allen (1802-1890); Roman Catholic Bishop; Benedictine |
| Surname | Collier |
| Forenames | William Allen |
| Epithet | Roman Catholic Bishop; Benedictine |
| Activity | Second Vicar Apostolic and the first Diocesan Bishop of the Roman Catholic Diocese of Port-Louis from 14 February 1840 until his resignation on 6 September 1863. |
| Code | DS/UK/1881 |