The first Leinster senior club hurling championship winners were St Rynagh's of Offaly in 1970-71. Kilkenny is the most successful county to date; Kilkenny clubs have won the Leinster championship on 14 occasions. The most successful club is Birr of Offaly and Ballyhale Shamrocks of Kilkenny who each have won the championship on seven occasions. In January 2011, O'Loughlin Gaels claimed their second title after a 0-14 to 1-8 win against Oulart-the-Ballagh.
As of 2013, the champions from counties Carlow, Dublin, Kilkenny, Laois, Offaly, Westmeath and Wexford compete in this competition, with other counties instead entering their teams at Intermediate or Junior level.