Definitions for "UUP"
Ulster Unionist Party, currently the largest Unionist political party in Northern Ireland
Ulster Unionist Party. Founded in 1905 by Edward Carson, the UUP was in power in Northern Ireland from 1921 until the dissolution of Stormont in 1972. Known as the Official Unionists, the largest party in the North is led by David Trimble, a key player in the peace process and now First Minister in the Assembly.