Paul McGonagle

Paul McGonagle (died November 1974) was an American mobster and leader of the Mullen Gang, a South Boston street crew involved in burglary and armed robbery.


McGonagle was the oldest of several brothers born to first generation Catholic immigrants from Ireland and raised in South Boston. While in South Boston, he became acquainted with Catherine's sister Margaret and the two married, and moved into a home in Quincy, where she lived during her marriage to the gang leader. During the gang war against neighborhood boss Donald Killeen, McGonagle and Irish immigrant Patrick Nee successfully led the Mullens against the Killeen brothers' organization, which finally ended when Donald Killeen was gunned down outside his suburban home in 1972. The leadership of the Killeen Gang then devolved on Whitey Bulger. Paul is the former brother-in-law to Catherine Elizabeth Greig who was married to his brother Bobby and later divorced before taking up with Winter Hill Gang leader James J. Bulger. Paul's brother-in-law David was found mysteriously shot in Cape Cod, which was ruled a suicide. He was married to Catherine's identical twin sister Margaret (born April 3, 1951) in East Boston and brother-in-law to David Greig, the younger brother of Catherine. It is unknown when and how long Paul McGonagle and Margaret Greig were married. Following the murder and subsequent disappearance of her husband, Margaret divorced him on grounds of abandonment and remarried, to a man named McClusk whom she was still married to as of 2008.

Paul's younger brother Donny lived a law abiding life and did not follow his brother into a life of organized crime. Donald however shared a fleeting physical resemblance with his brother was mistaken by Bulger to be Paul and was shot in the head, execution style in 1971, during the Killeen-Mullen gang war. The FBI stated on their wanted fugitive poster of Catherine Greig that one of the aliases she was known to have used in 1995 before she fled with Bulger was 'Catherine McGonagle', taking the last name of her slain brother-in-law as her own after going on the run with Bulger.

According to Kevin Weeks, "One day while the gang war was still going on, Jimmy was driving down Seventh Street in South Boston when he saw Paulie driving toward him. Jimmy pulled up beside him, window to window, nose to nose, and called his name. As Paulie looked over, Jimmy shot him right between the eyes. Only at that moment, just as he pulled the trigger, Jimmy realized it wasn't Paulie. It was Donald, the most likable of the McGonagle brothers, the only one who wasn't involved in anything. Jimmy drove straight to Billy O'Sullivan's house on Savin Hill Avenue and told Billy O, who was at the stove cooking, 'I shot the wrong one. I shot Donald.' Billy looked up from the stove and said, 'Don't worry about it. He wasn't healthy anyway. He smoked. He would have gotten lung cancer. How do you want your pork chops?'"


According to former Mullen boss Patrick Nee, Paul McGonagle was enraged by the murder of his brother. Certain that Billy O'Sullivan was responsible, McGonagle ambushed and murdered Bulger's mentor. Rather than murdering Bulger as some Killeens desired, Patrick Nee arranged for their dispute with him to be mediated by Howie Winter, the godfather of the Irish-American Winter Hill Gang. After a sitdown in the South End, Boston, the two gangs joined forces with Winter as overall boss. Bulger, who proved a reliable moneymaker for Winter, was soon in control of the South Boston rackets. It has since been revealed by investigators that Bulger was responsible for McGonagle's disappearance in November 1974. It was likely for this reason that Bulger shot McGonagle in the head and buried him in a shallow grave on Boston's Tenean Beach. The murder was almost certainly sanctioned by Howie Winter. At the time of McGonagle's murder in 1974, his estranged wife Margaret was left a widow.

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