Irenaeus

Sometimes used as the masculine form of Irene / Eirene, Irenaeus is a name seen in the Early Christian church (for example, Saint Irenaeus who is considered to be one of the Church fathers). Other forms of this name are Irenaus and Eireneus.

Pronounced eye-ruh-NAY-us.

As of October 2026, Irenaeus ranked #12747 in US births in 2025 SSA.