The latest Tweets from Cricket Leinster (@ cricketleinster). The role of the Leinster Cricket Union (LCU) role is to promote, foster and organise the playing of. Cricket Leinster. Gefällt Mal · 97 Personen sprechen darüber. The governing body of cricket in the province of Leinster, Ireland. The Leinster Cricket Union, also known as Cricket Leinster, is one of five provincial governing bodies for cricket in Ireland. Along with the Northern, Munster.