sentences:  In November 1761, an attempt by MacNaghten and his followers to abduct Mary Ann from a carriage on a family journey to Dublin Parliament and elope with her failed, when he shot and mortally wounded her by mistake.He was taken to Lifford Courthouse in Donegal, where a court found MacNaghten guilty of murder and he was sentenced to execution by hanging.MacNaghten hurled himself from the gallows with such force that the rope broke.