Irenaeus is a male name. It is of Greek origin and means peaceful, who loves peace. Saint Irenaeus was a Bishop of Lyon very enemy of Gnosticism. Female variants of Irenaeus are Irina, Irene, Rena, Rina (Meaning they love Peace).
I ireneo is incorrectly written and it should be written as "Irineo" being its meaning: It is a male name
IRENAEUS: One of the fathers of the Church.