The marriage you cite on FindMyPast took place at Llanymawddwy in December 1788 rather than at Llanycil in April 1788 - so this is not the marriage I was referring to. Shortage of surnames makes this more difficult, doesn't it?
The marriage bond index gives these details:
Title: Pugh, Hugh, bach., joiner, [Llanycil, Merioneth to Evans, Elizabeth, sp., Llanycil, Merioneth : 1788 Apr. 11.
Is Part Of Marriage bonds, ca. 1690-1837 99230987302419
Description: Marriage at Llanycil.
marriage bond.
Creation Date: 1788
Language: English
Source: Alma
MMS ID: 99160091402419
Institution: National Library of Wales