These are more like the age group On freereg
Sarah BOSWELL Baptism 03 Sep 1771 Staffordshire Wednesbury : St Bartholomew : Parish Register, Parents John, & Catherine, there marriage below?
Catherina GUEST to John BOSWELL Marriage 03 Jul 1770 Staffordshire Wednesbury : St Bartholomew : Parish Register
Sarah BOSWELL Baptism 21 Mar 1773 Staffordshire Wednesbury : St Bartholomew : Parish Register, Parents John & Sarah, abode West Bromwich.
However note: Child's name is Sarah in the clerk's register and Elizabeth in the vicar's copy
No Sarah Boswell in Warwickshire but a number of Buswel's on family search, I checked OPRs on Ancestry, they are not transcription errors.
Colin