In Ireland there are both Fastpitch Softball Leagues (National) as well as Slowpitch Softball Leagues (Provincial). Softball Cups are organized on a National basis for Provincial League teams, and the Champions of each province can compete for the Softball Ireland National Club Championship (SINCC). The SINCC Champions have the opportunity to represent Ireland in the European Club Championships. In addition there have been a number of Weekend Softball Leagues for Slowpitch teams which give players and teams the chance to compete against other teams from outside their own Provincial League.
Softball Ireland Cups
The Softball Ireland National Club Championship (SINCC) is the Premier Slowpitch Softball Competition in Ireland, played between the winners of the Regional Leagues. The Brian Walshe Cup (Previously the ISA Cup) is second on the Order of Merit and the Irish Open Softball Trophy (IOST) third. Below this are the Regional (Provincial) Leagues.1
Softball Ireland National Club Championship
Irish Softball Cup
The Softball Ireland Brian Walshe Cup is the Premier Cup Competition in Ireland, played since 2008, and preceded by the Softball Ireland / Irish Softball Association Cup (1995-2007), the Irish Baseball & Softball Association / Federation Softball Championship (1990-1994) and the Aughinish All-Ireland Challenge (1986-1988).
Weekend Softball Leagues
From time-to-time brief Provincial Leagues or Challenge matches involving teams from Connacht, Munster and Leinster outside of Dublin; as well as Dublin (SL Weekend League and ISA Inter-County Tournament) have been organized. These Leagues, Tournaments or Friendly matches have been separate from the Leinster and Ulster Softball Leagues which have been running since 1990 (LSL) and 2008 (USL) and the brief attempt at a Munster Softball League (2010-11). There has also been Weekend Leagues in Dublin (Gemstorm Winter League) and the Female Slowpitch League (Dublin).
Softball Business Leagues
Businesses and Corporations have been involved in Irish Softball since the first Leagues in the 1980s, with teams such as Fat Cats made up of american Businessmen. In the 1990s, Computer Companies got involved in a big way, and since the 2000s, there has been a separate Business House League or Corporate League in the Area. (see the Leinster Softball page on Eirball for more on the Leagues in the 1980s and 1990s: https://eirball.ie/leinster-softball/
The Business House League was run directly by Softball Ireland in the 2000s, and then, the Corporate League as it was now known, was run by Softball Leinster in the 2010s.