Given name & surname · also Gaelic
Mannix
“a little monk”
Mannix is used as a given name and a surname. One Irish interpretation is “a little monk.”
Meaning & origin
What it means
One Irish interpretation is “a little monk.”
Where it comes from
An origin associated with this spelling is Irish.
How it developed
In Irish use, Mannix is used as a form of Gaelic.
The story
Published U.S. birth records include this spelling as early as 1967. This is the earliest published observation available here, rather than a date for the name’s origin.
From dated birth records
Mannix through the years
- Babies since 1880
- 526
- 526 boys · 0 girls
- Most popular year
- 2010
- 31 babies
- 2025
- 9
- #8,668 for boys
- 2021–25 vs 2016–20
- −62%
- Cooling
By the numbers
In 2025, this name appeared in 9 U.S. birth records for boys, ranking No. 8,668 among boys’ names. Average annual use for boys was 61.6% lower in 2021–2025 than in 2016–2020. Its largest published annual count for boys was 31 in 2010. Published U.S. population figures for this spelling include 470 as a first name in 2020; 2,075 as a surname in 2020.
From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.
Mannix’s family of names
Mannix is an English adaptation of Mainchín. Mannix has a related form in Manicks. Mannix has a related form in Maniks.
Inner ring: nicknames and forms · outer: across languages.
Nicknames & forms 11
Diminutives, pet forms, short forms and variants used alongside the name.
- Manixvariant · English
- Manycksvariant
- Mannycksvariant
- Manyksvariant
- Mannyksvariant
- Manyxvariant
- Mannyxvariant
- Maniksvariant
Show 3 moreShow fewer
Across languages 1
Equivalents and cognates in other languages, plus older forms it grew from.
Similar names
If you love Mannix, these share its style, era, origin or sound, from outside its own family.
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“born into wealth and prosperity” · “the son of the benefactor”
96% boys · 4% girls
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“having dark features; the little dark one”
>99% boys
Mccabe
McCabe is a surname from Irish.
>99% boys
Mckeon
McKeon is a surname from Irish.
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Brannock
Brannock is a surname from Irish.
>99% boys