# Irenaeus (first name)

Source: https://namelineage.com/first-name/irenaeus/  
Publisher: Name Lineage. US counts from the Social Security Administration; England and Wales counts from the Office for National Statistics; meaning and etymology from Wiktionary. Data updated 2026-11-11.

| Field | Value |
|---|---|
| Usually given to | boys |
| Origin | Greek |
| Meaning | “peace” |
| Pronunciation | not recorded |
| Nicknames | none recorded |
| Variant spellings | Irenæus |
| US babies named this | 5 since 1880 |
| Boys / girls in the US | 5 / 0 (0% girls) |
| Babies in England and Wales | not in the ONS data |

## Etymology

From Latin Īrēnaeus, from Ancient Greek Εἰρηναῖος (Eirēnaîos), from εἰρήνη (eirḗnē, “peace”).

## What it means

Irenaeus is grouped under peace.

## Popularity

The last 15 years of each series. A year is missing when too few babies were given the name for the agency to publish it: five in the US, three in England and Wales.

### United States, boys

| Year | Babies | Rank |
|---|---|---|
| 2025 | 5 | 12,747 |

## In other languages

- Arabic: إِيرِينَاوُس
- Bulgarian: Ирине́й
- Catalan: Ireneu
- Chinese: 依勒內 /依勒内
- French: Irénée
- German: Irenäus
- Greek: Ειρηναίος
- Italian: Ireneo
- Latin: Irenaeus
- Polish: Ireneusz
- Portuguese: Irineu
- Russian: Ирине́й
- Spanish: Ireneo

## How to read these numbers

A count is babies registered with that name in that year, not people alive now, so a name common a century ago can have a large total and few recent births.