St Vincent's lost out to UCD in the next two county finals; however, both sides met in the championship decider for a fourth consecutive year in 1975. Mullins's side were awarded the title after the collegians gave them a walkover due to the final clashing with the university exams. A second provincial championship decider quickly followed for Mullins. St Joseph's provided the opposition, however, the Laois county champions were easily accounted for by 3–9 to 1–8. It was Mullins's second Leinster club winners' medal. A second All-Ireland club final appearance followed with Roscommon Gaels lining out in opposition. The game was a complete mismatch as St Vincent's secured a huge 4–10 to 0–5 victory. It was Mullins's first All-Ireland club winners' medal.