Craigavon, James Craig, 1st Viscount (krāgăvˈən) [key], 1871–1940, Irish statesman. He worked with Edward Carson in rousing the Protestants of Ulster against Home Rule in the crisis preceding World War I. He organized the Ulster Volunteers to resist any attempt to enforce Home Rule. In 1921 he became prime minister of the newly established government of Northern Ireland, a position he held until his death. He was created a viscount in 1927.