This is a list of names in which the first letter is I; and the origin is Norse Mythology.
Idonea f English (Archaic)Medieval English name, probably a Latinized form of
Iðunn. The spelling may have been influenced by Latin
idonea "suitable". It was common in England from the 12th century.
Iðunn f Norse Mythology, Old Norse, IcelandicProbably derived from the Old Norse prefix
ið- "again, repeated" and
unna "to love". In Norse mythology Iðunn was the goddess of spring and immortality whose responsibility it was to guard the gods' apples of youth.