Richard McMahon

Sir Richard James McMahon (born 1962) is a British barrister who has served as Bailiff of Guernsey from 2020 to 2026.

Early life Born in 1962, McMahon was educated at Abingdon School from 1973 to 1980, before he went to study Law at the University of Liverpool and University of Cambridge (Emmanuel College). He studied further at the Inns of Court School of Law in London and the Université de Caen in France.

Career McMahon was called to the English Bar, Middle Temple in 1986 and lectured in law at the University of Reading from 1987 to 1995. He became a Guernsey barrister in 1998 before being appointed a Crown Advocate in 2008. The following year he was appointed Solicitor General and Queen's Counsel.

McMahon announced in May 2026 that he will retire as Bailiff of Guernsey on 31 August 2026, after six years in office and upon reaching the retirement age of 65, he described the role as "the highest honour" of his career. He will be succeeded as Bailiff by Jessica Roland, Guernsey's first female Bailiff.

Personal life In 1998, McMahon married Sue-Yin. Together, they have two children.