There is a National League system of 50 senior rugby union clubs in Ireland.

The league was inaugurated in the 1990–91 season. It was not sponsored in the initial season, but was sponsored for six years by Insurance Corporation and for the last two years by Allied Irish Banks and is now known as the AIB League. Allied Irish Banks plc (AIB),(ISEQ: ALBK), (LSE: ALBK), (NYSE: AIB), (Xetra: AIB) is a commercial bank based in Ireland not to be mistaken for Anglo Irish Bank. ...

It has been dominated by teams from Munster. The Irish Rugby Football Union Munster Branch (also known as Munster Rugby) is one of four branches of the IRFU, and is responsible for rugby union in the Irish province of Munster. ...

Previous Winners

1991 Cork Constitution
1992 Garryowen
1993 Young Munster
1994 Garryowen
1995 Shannon
1996 Shannon
1997 Shannon
1998 Shannon
1999 Cork Constitution
2000 St. Mary's College
2001 Dungannon
2002 Shannon
2003 Ballymena
2004 Shannon (1)
2005 Shannon Cork Constitution F.C. Crest Cork Constitution Football Cub is a Rugby Union club, based in Cork. ... Garryowen Football Club, usually referred to as Garryowen, is a rugby union club in Limerick, Republic of Ireland, founded in 1884. ... Young Munster is a rugby union club based in Limerick. ... Garryowen Football Club, usually referred to as Garryowen, is a rugby union club in Limerick, Republic of Ireland, founded in 1884. ... Shannon Rugby Football Club is an amateur rugby union team from Ireland, they hail from Limerick near the banks of the Shannon river. ... Shannon Rugby Football Club is an amateur rugby union team from Ireland, they hail from Limerick near the banks of the Shannon river. ... Shannon Rugby Football Club is an amateur rugby union team from Ireland, they hail from Limerick near the banks of the Shannon river. ... Shannon Rugby Football Club is an amateur rugby union team from Ireland, they hail from Limerick near the banks of the Shannon river. ... Cork Constitution F.C. Crest Cork Constitution Football Cub is a Rugby Union club, based in Cork. ... Shannon Rugby Football Club is an amateur rugby union team from Ireland, they hail from Limerick near the banks of the Shannon river. ... Shannon Rugby Football Club is an amateur rugby union team from Ireland, they hail from Limerick near the banks of the Shannon river. ... Shannon Rugby Football Club is an amateur rugby union team from Ireland, they hail from Limerick near the banks of the Shannon river. ...

(1) In 2004, while Cork Constitution won the most points, they were defeated by Shannon in the play-off final. Cork Constitution F.C. Crest Cork Constitution Football Cub is a Rugby Union club, based in Cork. ... Shannon Rugby Football Club is an amateur rugby union team from Ireland, they hail from Limerick near the banks of the Shannon river. ...

Total wins by club

• Shannon 7
• Cork Constitution 2
• Garryowen 2
• St Mary's College 1
• Dungannon 1
• Ballymena 1
• Young Munster 1

External links

• AIB news from RTE