Career
He was elected to Dáil Éireann at the 2011 general election. He was re-elected at the 2009 local elections obtaining 12.3% of the first preference vote. Farrell was deputy mayor in 2005 and mayor of Fingal from 2007 to 2008.
Parliamentary assistants earn between €41,092 and €52,200 per year, which is paid for by the State.
In October 2013 he referred to singer Sinéad O"Connor as being "mad as a brush", in a tweet. He later issued a brief apology.
Farrell ran successfully in the 2016 general election, coming third in the constituency behind Fianna Fáil"s Darragh O"Brien and Independent Territorial Decoration Clare Daly.
Politics
He is also the chairperson of the Fine Gael Committee on Public Exependiture & Reform. Since his election to the Dáil, Farrell has been the subject of controversy as he hired his wife Emma Doyle as his temporary parliamentary assistant for a period of four months in the Dail just two weeks after she was rejected by Farrell"s Dublin North Fine Gael Party branch as his replacement on Fingal County Council.
Membership
He was a member of Fingal County Council from 2004 to 2011 for the Howth-Malahide electoral area having been elected at his first attempt in June 2004 following a four-week campaign. Farrell is a member of the Joint Oireachtas Committee on Justice, Equality and Defence and the Joint Oireachtas Committee on Finance, Public Expenditure and Reform.