Eirene, or its alternative spelling Irene, has been a moderately popular name in various countries. It has Greek origins but has gained recognition and usage in different cultures.

Eirene/Irene was a popular name among early Christians. It was also the name of several Byzantine empresses, including Irene of Athens, who ruled as Byzantine Empress in the 8th century. The name Irene was associated with peace and goodwill in ancient Greece, reflecting the desire for harmony and tranquility.

Irene Cara is an American singer, songwriter, and actress. She gained fame for her role as Coco Hernandez in the film "Fame," where she also performed the song "Fame," which won her an Academy Award for Best Original Song. Irene Cara had a successful music career and contributed to various soundtracks and albums.