Is Charlton the same as Charleton? There is a site with transcriptions of Charleton burials 1813-1833
http://homepages.ihug.co.nz/~our4bears/C~ARLbur.htm
There are quite a few Shepherds etc on there, including Susan Shepperd of East Charleton buried 23 Nov 1821 age 34 and John Shepherd of Charleton buried 6 Oct 1861 age 69.