This is a list of names in which the first letter is I; and the origin is Old Irish.
Iarlaithe m Old IrishFrom an Old Irish element of unknown meaning combined with
flaith "ruler, sovereign". Saint Iarlaithe was the founder of a monastery at Tuam in the 6th century.
Íde f IrishFrom Old Irish
Íte, possibly derived from
ítu meaning
"thirst". This was the name of a 6th-century Irish nun, the patron saint of Killeedy.
Ireland f English (Modern)From the name of the European island country, derived from Irish Gaelic
Éire, which may mean something like "abundant land" in Old Irish.