From Greek 'eirene' meaning 'peace'; Eirene was the Greek goddess of peace.
Irene comes from the Greek Eirene, meaning "peace." In Greek mythology, Eirene was one of the Horae, goddesses associated with order, justice, and the flourishing of civic life, so the name's earliest associations were not only calmness but social harmony and prosperity. The Romans adopted the form Irene, and Christianity later carried it widely through the names of saints and empresses.
Few names wear their meaning so openly: Irene has always sounded serene because it literally began as a word for peace. Historical bearers helped keep it visible across many centuries. Byzantine empresses bore the name, including Irene of Athens, whose reign made it politically famous.
In the modern era, figures such as the photographer Irene Castle and actress Irene Dunne gave it grace and glamour, while the hurricane name Irene added a more complicated contemporary echo in the Anglophone world. Usage has risen and fallen in waves: it was especially familiar in the late nineteenth and early twentieth centuries, then came to feel somewhat antique, and now often reads as a refined vintage revival. Literary and cultural associations reinforce its image of dignity and stillness. Even when fashions change, Irene retains a classical poise, because its roots in Greek language and mythology make it feel less like a passing style than a distilled idea: peace made personal.