This seems very plausible....
From the Forest of Dean Family History Website
Gloucestershire Marriage Allegations 1747-1837 and Marriage Bonds 1730-1802
3 September 1796
Thomas WILLIAMS - age 25, Batchelor: Gentleman - residence: WINCHCOMB
Sarah SMITH - age 24, Spinster, residence: WINCHCOMB
Married by Licence:
He Signs
sworn before Thos RUDGE to marry at WINCHCOMB
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By 'googling' on Google Books, Monthly Magazine : Oxford, Northamptonshire & Bedfordshire:
At Winchcomb, Mr Williams, Attorney and Mifs Sarah SMITH
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Looking very quickly at the National Archives (and held at the Gloucester Records Office) and searching for Thomas WILLIAMS, Winchcomb - there is a number of items including
.....
Includes marriage settlement of Sarah SMITH, Winchcombe, spinster, and Thomas WILLIAMS - same Gent 1798 - (Reference: D779/1) - This Settlement is included in other documents.
and Leases and Title Deeds
The Abbey and Abbey House, with adjoining lands
Leases, 1756-1808 conveyed by Lord RIVERS to Thomas WILLIAMS (with other properties in Winchombe and Sudley) 1811-12 - Abbey House used as a parish workhouses - c1803-1812 - pulled down by 1818.
So there appears that many records are available.
The National Archives hold the Will dated 6 June 1832, of Thomas WILLIAMS, Gent, Winchcombe - which can be downloaded for £3.30 Reference: PROB 11/1802/79 (or available free to read at the National Archives)
(There are about 24 WILLIAMS residence: Winchcomb on the above Marriage Allegations/Licences)
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Genuki has the Pigots Directory for Winchcomb 1830 - and lists Thomas WILLIAMS, Attorney