Widely known as the older sister of MMA sensation Conor McGregor. She has frequently posted photos alongside him to her popular Instagram account, erinmcgregor123, which has over 120,000 followers. In 2018, she appeared on RTE's Dancing With the Stars.
Her brother has risen to widespread acclaim for his torrid run throughout the UFC's welterweight and lightweight divisions.
She has trained as a competitive bodybuilder, and has won several professional competitions in physique and fitness modeling.
She also has one younger sister named Aoife. She has two children.
She has often attended her brother Conor's MMA fights.