| St Mary's Old Church, St Mary's | |
|---|---|
 St Mary's Old Church, Old Town, St Mary's | |
 | |
| 49°54′39″N 06°18′13″W / 49.91083°N 6.30361°W | |
| OS grid reference | SV911101 |
| Denomination | Church of England |
| Churchmanship | Broad Church |
| Website | https://www.ioschurches.co.uk/ |
| History | |
| Dedication | Blessed Virgin Mary |
| Administration | |
| Province | Canterbury |
| Diocese | Truro |
| Deanery | Powder |
| Parish | St Mary's, Isles of Scilly |
| Clergy | |
| Vicar(s) | Revd Guy C Scott |
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St Mary's Old Church, St Mary's is a parish church in the Church of England located in Old Town on St Mary's, Isles of Scilly, Cornwall, United Kingdom.