Legal career
McMahon received his BCL and LLB degrees from University College of Dublin; subsequently, having been awarded the Harvard Fellowship, he undertook further postgraduate study atJudicial career
In 1999, he was appointed Circuit Court judge. In 2007, he was promoted to the High Court in recognition of his status as a leading Irish jurist. A noted and often cited scholar, he is deemed to be an authority on the bench in relation to tortious matters in Ireland. He was appointed adjunct professor of the Faculty of Law at University College Cork in 2004. McMahon is also Chair of the Irish Universities Quality Board and the National Archives Advisory Council. He retired from the bench on 8 April 2011, having served for 12 years, 4 of which were as a judge of the High Court. He subsequently served as Chairman of the Referendum Commission on Judges' pay which made recommendations to Government regarding the 29th Amendment to the Constitution.Other roles
In 2005, McMahon (a lifelong theatre fan) was appointed chairman of the board of the Abbey Theatre by Minister for Arts, Sport and Tourism John O'Donoghue. The Abbey was the venue often used to showcase many plays written by McMahon's father.Personal life
MacMahon lives in Kells, County Meath. He is married to Mary O'Neill, the sister of a well renowned football club managerLegal textbooks
MacMahon has co-authored many legal textbooks including: *''Law of Torts'', co-authored with William Binchy (Butterworths: 1980, 1989, 3rd Edition 2000); *''Casebook on Irish Law of Torts'', also co-authored with William Binchy, (Butterworths 1983, 2nd Edition 1991); *''European Community Law in Ireland'', co-authored with Finbarr Murphy (Butterworths: 1989).References
1941 births Living people Harvard Law School alumni High Court judges (Ireland) Academics of the University of Galway People from Listowel, County Kerry Chairpersons of the Referendum Commission Lawyers from County Kerry Alumni of University College Dublin 20th-century Irish judges 21st-century Irish judges Academics of University College Cork {{Ireland-law-bio-stub