Looking at the transcript, they were married by Licence. So I checked on the Forest of Dean Family History Trust* which has Gloucestershire Marriage Allegations 1637-1837 and Marriage Bonds 1730-1823
Free: Just have to register to have access to the records.
https://forest-of-dean.net(Gloucestershire Family History Society - have taken over responsibility for maintaining the site).
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Two records - one being the Bond
10 April 1762
Samuel MORGAN - occupation: Tyler & Plasterer,
residence: Chipping Sodbury
Sarah HARRIS - residence: Chipping Sodbury
He Marks
Witness 1 : the mark of Nathaniel PYRK of Wickwar - tyler and plasterer
Witness 2: John Walter
Sealed and Delivered in the presence of : W Hughes
Event type: Marriage Bond
Memoranda: The groom and Nathaniel PYRK are bound to the sum of £200 to marry at Chipping Sodbury
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The other record is the Licence - which gives ages
10 April 1762
Samuel MORGAN - aged 25, Bachelor: Occupation: Tyler & Plasterer, residence: Chipping Sodbury
Sarah HARRIS, over 21, Spinster, residence: Chipping Sodbury
He marks
Marriage Allegation: To marry at Chipping Sodbury, Licence issued by W Hughes
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Which confirms the Contributors link.