sentences:  The McMahon Baronetcy, "of Dublin", was created in the Baronetage of the United Kingdom on 6 May 1815 for William MacMahon, who was Master of the Rolls in Ireland.The title became extinct on the death of the fourth Baronet in 1926.The McMahon Baronetcy, "of Ashley Manor", was created in the Baronetage of the United Kingdom on 7 August 1817 for John McMahon, Member of Parliament for Aldeburgh from 1802 to 1812 and Private Secretary to George IV from 1811 to 1817.