During the 1920s, Young Irelands GAA frequently played
Claughaun, which was headquartered in the same building. Young Irelands trained and played matches at the
Markets Field during this era. Near the end of the season, Young Irelands and
Garryowen often trained at opposite ends of the field simultaneously. Young Irelands defeated Newcastlewest in 1920,
Bruff in 1922 and Rathkeale in 1928 to capture their fifth County Senior hurling title. In 1927, Young Ireland organized a seven-a-side hurling confined to club members. The team held committee meetings in the Gaelic League Hall every Wednesday. During 1902 Young Ireland GAA rented a field in Roxboro Road. However, in 1932, due to housing development nearby, the club moved back to Markets Field. Due to rent increase, the club also moved to new quarters at Number 8 The Crescent in 1932 for an annual rent of £100. In 1930. Young Irelands won the County senior hurling championship, defeating Newcastlewest. They defeated Newcastlewest again in 1932 to capture their last county title. During the 1930s Young Irelands fielded Senior hurling teams in both Cork and Limerick on the same Sunday . In Cork they played St Finbarrs and at Limericks Gaelic Grounds they lined out another 15 against
Cappamore. On another occasion, they travelled by train to
Killarney, toured the Lakes, played a senior hurling match against Corks Glen Rovers and a Senior Football match against the local Dr. Crokes. In 1921, Killaloe-born Bob Mc Conkey lifted the Liam McCarthy while in 1923
Paddy McInerney, who was born in O’Callaghan's Mills but who moved to Limerick at a young age, captained the side. In 1932,
Caherconlish-born Mickey Fitzgibbon captained the Limerick side. Mick Kennedy originally from The Ragg in Tipperary captained the side that won Limericks First National hurling league title in 1933–34. Mick Murphy, Willie Gleeson, Paddy McInerney, Denny Lanigan, Bob McConkey, Mick Kennedy all won All Ireland Senior hurling medals with Limerick. In 1936, Young Irelands reorganized. In 1938 and 1939, the underage teams in hurling and
football were successful ==Croom/Young Irelands==