Dineen later played hurling at juvenile and underage levels with St. Enda's and won the East Cork MHC title in 1936 before being beaten by Glen Rovers for the county honours.
[2] He also joined the Midleton senior team, however, his studies for the priesthood impacted on his playing career and his one and only championship game was the 1938 semi-final defeat of Sarsfields.
His debut season saw Cork secure the Munster Championship title before suffering one-point defeat by Kilkenny in the 1936 All-Ireland minor final.
He won a Munster JHC title that year but his academic studies resulted in him missing the subsequent All-Ireland final defeat by London.
[10] Dineen's performances with the Fermoy club earned his inclusion on the Cork senior football team for the 1943 Munster SFC, however, he declined to line out.