Slavic form of Irene, from Greek 'eirene' meaning peace.
Irena is the Slavic and Eastern European rendering of Irene, drawn from the ancient Greek Εἰρήνη (*Eirene*), meaning "peace." In Greek mythology, Eirene was one of the Horae — the goddesses of the seasons and the natural order — and she specifically personified the peaceful prosperity that comes with a well-governed state. The name was adopted enthusiastically by early Christians, carried by several early martyrs and saints, and embedded itself deeply into the naming traditions of Poland, Croatia, Czech Republic, Serbia, and the Baltic states.
The most luminous bearer of this spelling is almost certainly Irena Sendler, the Polish social worker and nurse who, during the Nazi occupation of Warsaw, organized an extraordinary clandestine network that smuggled approximately 2,500 Jewish children out of the Warsaw Ghetto and into hiding with Polish families and institutions. Working under the code name "Jolanta," she risked her life daily, was eventually captured and tortured by the Gestapo, and yet refused to reveal any of the children's names. She survived, lived to nearly a century, and was nominated for the Nobel Peace Prize in 2007.
The name Irena, which means peace, could not be more perfectly suited to her legacy. Irena Szewińska, one of the greatest track and field athletes in history, winning Olympic medals across three decades, added athletic glory to the name. In contemporary naming, Irena offers a more distinctive alternative to Irene, with its Eastern European particularity functioning as both a marker of heritage and a source of quiet originality. It is a name that has borne witness to history — and emerged with its integrity intact.