I haven't been able to find them either
did find at St Giles
Baptisms
Sarah Crowder parents Charles /Elizabeth Matlock Bank FWK
This could be child of Charles/Elizabeth who lived with George/Mary and Mum?
then there is
10 April 1842
Sarah Crowder parents Charles/Mary Matlock Bank FWK
may have mistranscribed Charles instead of George???
there is also
26 Jun 1848
Jane Crowder parents George/Mary Matlock Bank FWK
wonder if her name was really Mary jane??? and she is the Mary we are searching for???
also
2 Aug 1849
Charles Crowder parents George/Mary Matlock Bath FWK -don't think a Charles was on any census??
the only Obadiah foundis poss George's brother?
Obadiah Crowder 21 April 1805 parents William/Mary Matlock.
Checed Crich/Tansley -in crich there are 2 children baptised to Obediah/Sarah -poss (by the later date) children of Obediah son of George
No sign of an Eliza.
Burials St Giles
15 Oct 1836
William Crowder 37 Matlock
and
27 May 1845
Elizabeth Crowder 9 Matlock Bank
Hope this helps
Suz