How Many People Are Named Mannix?
An estimated 504 people in the United States have the first name Mannix. It is almost exclusively a male name. The average bearer is 21 years old, and Mannix peaked in popularity in 2010 with 31 births that year.
Below you will find a full statistical profile of Mannix as a first name in the United States, including gender data, a year-by-year popularity timeline going back to 1880, a decade breakdown, and state-by-state birth registrations. You can also check how many people share the full name Mannix paired with any surname.
Estimated Living Americans
504
About 1 in 680,068 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
21
years old
Peak Year
2010
31 births
Total Registered
517
since 1880
Gender Distribution for Mannix
Mannix is almost exclusively a male name. Out of 517 total births registered, 100.0% were male.
Mannix as a male name
Ranked #8,700 in 2024
9 male births in 2024
Peak: 2010 (31 births)
Mannix: Popularity Over Time
SSA records for Mannix span from the 1960s to the 2020s, covering 6 decades of naming data. The most popular decade for this name was the 2010s, when 247 babies were registered. Mannix has declined significantly from its peak in the 2010s. Recent registrations are a fraction of what they were at the name's height.
Mannix by Decade
How has Mannix tracked across different eras? The table below groups all SSA birth registrations into 10-year periods, with separate male and female counts. The colored bar shows each decade's share relative to the peak.
Mannix by State
Mannix + Last Name Combinations
How many people share a full name with Mannix as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Mannix
Other first names starting with M with a similar number of bearers.
Mannix: Questions and Answers
How many people in the U.S. are named Mannix?
We estimate approximately 504 people named Mannix are alive in the United States today. This is based on SSA birth records from 1880 to 2024, adjusted for mortality using CDC life tables. About 1 in 680,068 Americans share this first name.
Is Mannix a common name?
Mannix is classified as "Very Rare" and is more popular than 84.6% of all first names in the SSA database. A total of 517 births have been registered with this name since 1880.
When was Mannix most popular?
Mannix reached peak popularity in 2010, when 31 babies were given this name. The average age of a living person named Mannix is approximately 21 years old, reflecting when the name was most commonly given.
Is Mannix a male name?
Mannix is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Mannix Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Mannix Smith, Mannix Johnson, Mannix Williams. You can also search any combination on our homepage.
Where does this data come from?
Our estimates use Social Security Administration birth records (1880 to 2024), adjusted for survival using CDC 2023 life tables broken down by sex. The U.S. population figure (342,754,338) is from the Census Bureau's July 2025 estimate. Full methodology.
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