| Code | NA1255 |
| Place Entry | Sully Island/Sully/Glamorgan/Wales |
| Notes | Hundred of Dinas Powis
Barry and Cadoxton Local Board (1888-1894)
Cardiff Rural District Council (part) 1862-1974
Barry Urban District Council (1894-1939)
Borough of Barry 1939-1974
South Glamorgan County Council 1974-1996
Vale of Glamorgan County Borough Council 1996- |
| Place Name | Sully Island |
| Area2 | Sully |
| Area4 | Glamorgan |
| Area5 | Wales |
| Grid Ref | ST1667 & ST1666 |
| Notes | Hundred of Dinas Powis
Barry and Cadoxton Local Board (1888-1894)
Cardiff Rural District Council (part) 1862-1974
Barry Urban District Council (1894-1939)
Borough of Barry 1939-1974
South Glamorgan County Council 1974-1996
Vale of Glamorgan County Borough Council 1996- |
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