879births recorded
2Countries
2Variants
2001Peak · Poland
#292Poland 2025
Irenaeus is a boy name family recorded 879 times in 2 countries since 2000. It ranks highest today in Poland (#292 in 2025). Its all-time peak was in Poland in 2001, at 17.9 births per 100,000. Elsewhere it is mostly given as Ireneusz (Poland).
Popularity by country
Births per 100,000 newborns, all forms of the name combined.
All forms of Irenaeus
| Variants | Language | Total births | Country | Latest rank | Peak year | 10-year trend |
|---|---|---|---|---|---|---|
| Ireneusz | Polish | 874 | 🇵🇱 Poland | #292 | 2001 | ▼ 16 % |
| Irenaeus | English | 5 | 🇺🇸 United States | #12008 | 2025 | – |
Questions about Irenaeus
How popular is the name Irenaeus?
In 2025 it ranked #292 in Poland. Official registers record 879 births across 2 countries.
What is Irenaeus in other languages?
Ireneusz (Polish).
When was Irenaeus most popular?
It peaked in Poland in 2001, at 17.9 births per 100,000.
Is Irenaeus a boy or a girl name?
In official birth registers, Irenaeus is a boy name.