Orsett and West Thurrock were within the Commissary of Essex and Hertfordshire; all other Thurrock parishes were within the Archdeaconry of Essex.
Until the middle of the 19th century all Thurrock parishes were in the Diocese of London.
All Thurrock parishes were in the
Orsett Poor Law Union which also contained the parish of
North Ockendon.
| Parishes in Barstable Hundred | Parishes in Chafford Hundred | |
| Bulphan | Aveley | |
| Chadwell (St Mary) | Grays Thurrock | |
| Corringham* | South Ockendon | |
| East Tilbury | Stifford* | |
| Fobbing* | West Thurrock | |
| Horndon | ||
| Langdon Hills | ||
| Little Thurrock* | ||
| Mucking | ||
| Orsett | ||
| Stanford-le-Hope* | ||
| West Tilbury* |
Notes:
1) Parishes for which there is at least one published history are marked with an *
2) Chadwell St Mary was usually simply called Chadwell before 1850
3) The present town of Tilbury which grew up after the opening of Tilbury Docks is largely in the traditional parish of Chadwell