You would pronounce it like Cullum.
kol-um toe-bean with the accent on the kol and the bean
Colm Magner is 6'.
Colm Kehoe was born in 1972.
Colm Sheehan was born in 1942.
Colm Callan was born in 1923.
Colm Callan died in 2010.
Colm Honan was born in 1954.
Colm Murphy was born in 1952.
Colm Coyle was born in 1965.
Colm Byrne was born in 1971.
Colm Doran was born in 1949.