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The 1991 Irish local elections were held in all administrative counties and county boroughs on Thursday, 27 June 1991.
Ireland was divided into local government areas of administrative counties and county boroughs. There was a second tier of boroughs, urban districts and towns with boards of commissioners. The elections were postponed from June 1990. This allowed the Local Government Act 1991 to be passed beforehand. Elections in non-county boroughs and towns were postponed until 1994.
They were the first local elections contested by the Progressive Democrats, which had been founded in December 1985, and the first since Sinn Féin registered as a political party in December 1986.
Local Government Act 1991, s. 14: Postponement of local elections for certain local authorities (No. 11 of 1991, s. 14). Enacted on 18 May 1991. Act of the Oireachtas. Retrieved from Irish Statute Book.