Joe McCarthy is an Irish professional rugby union player who plays as a lock for United Rugby Championship club Leinster and the Ireland national team. McCarthy attended Blackrock College and studied at Trinity College Dublin while progressing through the Leinster rugby pathway. Table of Contents Toggle SiblingsCareerAccoladesSiblingsJoe has two brothers: an older brother, Andrew, who has Down’s syndrome and is a passionate rugby supporter, and a younger brother, Paddy McCarthy, who is also a professional rugby union player. He has since become a regular in the Ireland setup, featuring in Rugby World Cups and Six Nations campaigns. At club level, he has contributed to Leinster’s successes in the URC while developing into one of the most promising locks in world rugby.