From Greek Eirene, the name of the goddess of peace, literally meaning peace.
Eirene (Εἰρήνη) is the ancient Greek word for peace, and in the Greek pantheon she was one of the Horai — the goddesses of the seasons and the natural order — specifically the personification of peace and the wealth and prosperity that peace makes possible. Hesiod listed her alongside Eunomia (lawfulness) and Dike (justice) as daughters of Zeus and Themis, and her iconography typically shows her holding the infant Plutus (abundance), a composition that makes the theological argument explicit: peace is the precondition for plenty. The great statue of Eirene by the sculptor Kephisodotos, erected in Athens around 375 BCE after a period of brutal war, was one of the celebrated artworks of antiquity.
Eirene is the direct ancestor of Irene — the name passed through Byzantine Greek, entered Latin ecclesiastical use, and became one of the most widespread Christian names in Europe and beyond. There were three popes named Innocent who venerated Saint Irene of Rome; a Byzantine empress, Eirene of Athens, ruled in her own right in the late eighth century and was the first woman to do so in the Eastern Roman Empire. The name thus carries both pagan philosophical weight and centuries of Christian sanctity.
Using the original Greek spelling Eirene rather than the Latinized Irene is a choice that signals classical literacy and a preference for the source over the derivation. It has found a quiet following among parents drawn to ancient names — alongside Calliope, Phoebe, and Thalia — who want something recognizable in meaning but genuinely unusual in form. Pronounced eye-REE-nee or EYE-reh-neh depending on tradition, it rewards those who know its history with a name that is nothing less than peace itself.