It was held on the same day as three other by-elections in Cork North-Central, Dublin Mid-West and Wexford.[1] The Electoral (Amendment) Act 2011 stipulates that a by-election in Ireland must be held within six months of a vacancy occurring.[2] The by-election writ was moved in the Dáil on 7 November 2019.[3][4]
The election was won by Fingal County CouncillorJoe O'Brien of the Green Party. It was the first by-election won by a Green Party candidate. Karen Power was co-opted to O'Brien's seat on Fingal County Council following his election to the Dáil
During the campaign, the Fianna Fáil candidate Lorraine Clifford-Lee was embroiled in controversy when she had to apologise for the language she had used in tweets she had made in 2011, which were derogatory towards the Traveller community.[6]