Mannix
Meaninglittle monk · Irish
- US rank
- #8,243
- Syllables
- 2
- Peak
- #2,203 in 1971
9 babies were named Mannix in the US in 2025. It has dropped 741 places in five years.
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US births per million boys, 1967–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Mannix you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- How commonAbout 1 in every 188,679 baby boys born in the US in 2025 was named Mannix, 9 babies in all. In a typical school of 500 kids, your Mannix would very likely be the only one.
- HistoryMannix first shows up in US birth records in 1967, the first year at least 5 babies got it. It has been in use for 58 years since.
- Best yearIt was far more popular in 1971, when it ranked #2,203. Today it's #8,243, so it could be due a comeback.
- Then vs nowMannix is 2.1× more common today than it was in 2000. In 2000 it was given to about 1 in 400,000 baby boys; in 2025, about 1 in 188,679.
- TrendMannix has slipped 741 places over the last five years and now sits at #8,243. Good news if you want a familiar name that fewer kids will share.
- MeaningIn Irish, Mannix means “little monk”. Our records link it to Celtic and Irish roots.
About the name Mannix
Mannix is a boy name of Celtic and Irish origin meaning “little monk”. It has 6 letters and 2 syllables, starting with M and ending in “-nix”. US birth records list Mannix for boys from 1967 to 2025, in 35 of those 59 years. Its best year was 1971, when it ranked #2,203 among boy names. In 2025 it ranked #8,243, with 9 babies.
Origin:Celtic namesIrish names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1960s | 5.5 | 181,818 boys |
| 1970s | 3.9 | 259,067 boys |
| 1990s | 0.3 | 3,448,276 boys |
| 2000s | 6.5 | 154,321 boys |
| 2010s | 13 | 76,161 boys |
| 2020s | 4.6 | 215,827 boys |
More Celtic boy names
- Unisex name: Owen · well-born
- Unisex name: Logan · little hollow
- Unisex name: Rowan · little red-haired one
- Unisex name: Nolan · descendant of Nuallán
- Unisex name: Cameron · crooked nose
- Boy name: Ian · God is gracious
- Unisex name: Gael · a Gael
- Boy name: Arthur · possibly bear
Questions about the name Mannix
What does the name Mannix mean?
Mannix means “little monk” in Irish.
What is the origin of the name Mannix?
Mannix has Celtic, Irish roots in our records. Other Celtic names include Owen, Logan, Rowan.
Is Mannix a boy or girl name?
Mannix is a boy name.
How popular is the name Mannix?
Mannix ranked #8,243 for US boys in 2025, given to 9 babies. Its best year was 1971 (#2,203).