In message , Tom
Anderson writes

Anyway, i was after cases where the "hundred" part was still in use,
like Tendring Hundred Water.

The Hundred of Hoo (it's never "Hoo Hundred") is still used - there was
a Hundred of Hoo Railway, and "Hundred of Hoo" still appears in the
names of a local school, leisure centre and sailing club.

--
Paul Terry