The Clancy Brothers were an influential Irish folk group, which initially developed as a part of the American folk music revival. Most popular in the 1960s, they were famed for their trademark Aran Jumpers and are widelyCREDITED with popularising Irish traditional music in the United States and revitalising it in Ireland, paving the way for an Irish folk boom with groups like The Dubliners andThe Wolfe Tones.[1][2][3][4][5]