This entry from GFHS Marriage Index may be of help:
5 March 1821 John PARKER of Woolridge married Mary Ann BOWER of Woolridge by Banns at Gloucester St Mary de Lode.

Looking at the 1851 Census there is a BOWER family next door to the PARKERs:

1959 0186 126 Quarry Hill BOWER Enock HD M 32 Collier GLS Mitcheldean
1959 0186 126 Quarry Hill BOWER Amey WI M 31 - GLS East Dean
1959 0186 126 Quarry Hill BOWER Ann DA - 9 - GLS East Dean
1959 0186 126 Quarry Hill BOWER John SO - 5 Scholar GLS East Dean
1959 0186 126 Quarry Hill BOWER Mary Ann DA - 2 - GLS East Dean
1959 0186 126 Quarry Hill BOWER Enock SO - 9M - GLS East Dean

Mike