Haughton was educated at Trinity College Dublin and the King's Inns.
[3] In July 2019, he noted that no woman had been appointed an examiner since the process was established in Ireland.
[6] The committee increased the number of Teachta Dála from 158 and 160 and left the boundaries for European elections unchanged.
[7] He was appointed to review the European Parliament constituencies again in 2018 following the increase in seats allocated to Ireland following Brexit.
[10] This followed a change in the law in order to increase the number of judges to sit on the Court of Appeal.