trish1120, your experience is important, but it is not evidence. Facts are better. The absence of marital status of others on the page is not an infallible guide, and "of the parish of Westminster Bachelor" would at least make some sense, and, at this stage, I don't think it should be ruled out. The marriage allegation said bachelor.
It 's not as if there is a clearcut alternative solution.
Presumably the image showing on the first post is the Bishops transcript.
The marriage image states
Banns of marriage between .......
Samuel Morgan of the parish of Westminster Bath and Sarah Harris of this Parish
were married in this church by Licence.