St. Mary's A.F.C. was formed in 1948 as a single youth team based in Gurranabraher and in 1948--49 the club entered a team in the Munster Youth League.
St. Mary's A.F.C. was formed in 1948 as a single youth team based in Gurranabraher, taking their name from the Cathedral of St Mary and St Anne. In 1948--49 the club entered a team in the Munster Youth League.