Jim Davidson (rugby union, born 1942)
Davidson managed the Irish national rugby union team from 1987 until 1990. Davidson made his Ireland debut against France at Lansdowne Road in January 25, 1969 and went on to win six caps for Ireland, his last in 1976. He took over as coach of the Ulster in 1983 and guided them to three inter-provincial titles before succeeding Mick Doyle as Ireland coach in 1987. He died in 2007 after a long battle with cancer.