Ryan Clan members Tom Ryan, Patrick Ryan, Bill Scranton, Dan Ryan, and Frank (Ryan) Revoir. The Irish band will be performing three shows this weekend to celebrate St. Patrick's Day.

Patrick Ryan in an undated photo. He was “one of the I.R.A’.s most significant intermediaries for money,” Jennifer O’Leary, his biographer, said. Martin McCullough/PA Images, via Alamy ...