Irina (Cyrillic: Ирина) is a variant of Irene, being a Cyrillic-transliterated Christian Orthodox feminine given name of Greek origin, and the variant adopted by most followers of the Eastern Orthodox Church. The name Irina is derived from the ancient Greek goddess of peaceful life Eirene. In Ancient Greek εἰρήνη means peace. It has namesakes.
Bio from Wikipedia - See more on en.wikipedia.org Text under CC-BY-SA license