Is of Greek origin. Place name: an island in the Hebrides where Saint Columba (sixth century) founded a monastery of the Celtic Church. Orchestra conductor Iona Brown.
Similar names to Iona are:
Oona, Ina, Iana, Ioana, Ione, Ionia, Ionya, Yona and Jona, Ilona, Nona, Tona, Dona, Idona, Iola, Lona, Mona, Rona and Zona.