Definitions for "Roscommon"
Roscommon was a UK Parliament constituency in Ireland. The constituency sent two MPs to Westminster from the Act of Union 1800 until the constituency was split into Roscommon North and Roscommon South in 1885.
Roscommon was an parliamentary constituency in the Irish Free State and in the Republic of Ireland, returning Teachtaí Dála (TDs) to Dáil Éireann, the lower house of the Oireachtas (Irish Parliament). It covered the whole of County Roscommon, and elections were held by the method of proportional representation known as the Single Transferable Vote (known as STV, or PR-STV).