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Mannix as a Baby Name. Meaning and Origin of Mannix

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The baby name Mannix is a Male name , 2 syllables long and is pronounced MAN-iks (IPA: /ˈmænɪks/).

Mannix is Irish in Origin.

Gender: Male
Syllables: 2.0
Origin: Irish
Pronunciation: MAN-iks (IPA: /ˈmænɪks/)

What is the meaning of the name Mannix ?

The baby name Mannix is a Male name , 2 syllables long and is pronounced MAN-iks (IPA: /ˈmænɪks/).

Mannix is Irish in Origin.

Mannix is an Irish surname turned given name, from the Gaelic Ó Mainchín, meaning "descendant of Mainchín." Mainchín is a diminutive of manach, "monk," so the name carries the sense of "little monk" or "monk’s descendant." Some records also show overlap with Ó Manacháin ("descendant of Manachán"), a related formation from the same monastic root. The Irish given name Mainchín (borne by early saints) underlies the surname.

As a first name, Mannix appears rarely before the 20th century, then gains occasional use in the Anglophone world - especially Australia and the United States - thanks to the prominence of Archbishop Daniel Mannix (Melbourne) and the 1960s–70s American TV series Mannix. Variants and related forms include Mainchín (Irish), Manachán, Monahan (a distinct surname), and spelling variants Manix or Mannex; nicknames include Manny and Nix. Mannix is typically masculine but sometimes used unisex in modern naming.

Mannix has the following similar or variant Names

Mannix – Popularity by country

Based on birth registration data from national statistics agencies.

Country Gender Year Rank Born of
Ireland Boys 2025 #1 836
PH 0 #109 2 5,607
PR Boys 0 #178 1 2,508
MO Boys 0 #234 1 5,842
NA Boys 0 #253 1 6,830
NG 0 #272 1 5,926
Canada Boys 2021 #311 5 2,600
CN Boys 0 #328 4 9,639
GT 0 #338 1 5,948
JO Boys 0 #389 1 7,057
PH Boys 0 #400 9 11,440
HK Boys 0 #493 35 12,905
GT Boys 0 #498 2 7,625
PA Boys 0 #504 2 9,305
PS Boys 0 #561 1 10,655
BH 0 #587 1 17,937
HK Girls 0 #650 1 16,104
CL Boys 0 #699 2 13,390
SG Boys 0 #738 2 17,960
NG Girls 0 #826 1 15,093
United States Boys 2024 #884 9 7,044
PE Boys 0 #924 3 14,506
CO Boys 0 #980 2 15,656
NG Boys 0 #995 7 16,906
MX Boys 0 #1,032 2 16,355
AE Boys 0 #1,141 3 22,615
MY Boys 0 #1,180 3 25,439
ZA Boys 0 #1,266 7 25,619
SA Boys 0 #1,686 6 28,008

Mannix is popular in 23 countries — most recent births per country:

United States
Ireland
Canada
AE
BH

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People also ask about Mannix

Mannix is predominantly a boy's name.
Mannix is a 2 syllable name, pronounced MAN-iks (IPA: /ˈmænɪks/).
Common nicknames and spelling variations include Mainchín, Manchín, Manchan and Manix.
Across languages, Mannix has these equivalents: Mainchín (Gaelic), Manchan (Irish).
Yes, very popular — Mannix ranked #1 in Ireland in 2025, and appears in official birth registries across 3 countries.
Mannix ranks highest in Ireland (#1 in 2025).
Mannix's popularity is holding steady. It moved from #1 in 2015 to #1 in 2025 in Ireland.