"Irena" is a the goddess of anger in ancient Greek mythology. The name is commonly used in Bulgaria as well. Some describe it as a cognate of Irina (also of Greek origin - meaning "peace").
Famous bearers: Indian singer Irena Horváthová Czech writer Irena Fuchsová Czech writer Irena Charvátová Macedonian painter Irena Cakirpaloglu Czech writer/director Irena Pavlásková Czech singer Irena Budweiser
Irena was the name of the cat woman in the 1942 film Cat People, played by Simone Simon. She reappears in the sequel, the misleadingly titled Curse of the Cat People, as a benevolent ghost who helps a child, the daughter of her husband by another woman.