The Leinster Senior Cup is the most important provincial cricket knock-out cup of the Leinster jurisdiction in Ireland. The competition began in 1919. It is currently known as the RSA Senior Cup.
The Cup is open to teams playing in top two divisions of the Leinster Senior League. It is sponsored by RSA Insurance and marketed as the RSA Senior Cup.
References
Leinster Senior Cup (cricket) Wikipedia(Text) CC BY-SA