Not much further unfortunately
St Marys Church Bridgwater
William Mounsher bp 14 Aug 1814 to William and Jane ref page 47 ent 374
Nathaniel Mounsher bp 4 Oct 1818 to William and Jane ref page 148 ent 1178
Ann Mounsher bp 20 May 1821 to William and Jane ref page 218 ent 1741
No entries for Susan or Elizabeth and other two churches in Bridgwater do not have baptisms going back that far.
Marriage 1 May 1852 St John Church Bridgwater
Isaac Dyment, bat ,Gardner living at Bridgwater, Father William Dyment a Farmer
Susan Podger, widow, living at West Street, Bridgwater Father William Evans a labourer
witnesses hard to read William Ward and ? Podger.
Alice Ann Podger was baptised at St Marys Bridgwater 25 March 1847 p 142 ref 1183
Parents William and Susan, looks as if Father was a watch maker, but hard to read.
No baptisms for Alice Diment, Ellen Diment or Eliza Diment that match up with entries for the 1861 census, parents James and Susan. Looked in all the Bridgwater churches.