From Family Search I can see that Prudence Hillman, daughter of James & Penelope Hillman, was Baptised, St Martin's, 21 Aug 1809.
On the same date, Penelope Hillman, born 1803 was also baptised.
Baptised at St Martin's on 29 Sep 1800 was a Martha Hillman, same parents.
Again on FS, there is a...