Cropredy lifted the Oxfordshire Sam Waters Sunday Cup in their first season with a 3-1 victory over North Oxford Conservative Club in the final at Oxford City.
Joe Eyre struck to put the Banbury & District Sunday League outfit in front.
Daniel Watkin doubled their lead against their Critchleys UTV League opponents.
Andrew Potter pulled a goal back from the penalty spot to give North Oxford a lifeline.
But Eyre struck again to put the result beyond doubt.