How Many People Are Named Marcio?
An estimated 368 people in the United States have the first name Marcio. It is almost exclusively a male name. The average bearer is 27 years old, and Marcio peaked in popularity in 1986 with 16 births that year.
Below you will find a full statistical profile of Marcio 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 Marcio paired with any surname.
Estimated Living Americans
368
About 1 in 931,398 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
27
years old
Peak Year
1986
16 births
Total Registered
378
since 1880
Gender Distribution for Marcio
Marcio is almost exclusively a male name. Out of 378 total births registered, 100.0% were male.
Marcio as a male name
Ranked #10,499 in 2024
7 male births in 2024
Peak: 1986 (16 births)
Marcio: Popularity Over Time
SSA records for Marcio span from the 1970s to the 2020s, covering 6 decades of naming data. The most popular decade for this name was the 1980s, when 86 babies were registered. While Marcio is less common than at its peak in the 1980s, it remains a well-established name with steady registrations.
Marcio by Decade
How has Marcio 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.
Marcio by State
Marcio + Last Name Combinations
How many people share a full name with Marcio as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Marcio
Other first names starting with M with a similar number of bearers.
Marcio: Questions and Answers
How many people in the U.S. are named Marcio?
We estimate approximately 368 people named Marcio 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 931,398 Americans share this first name.
Is Marcio a common name?
Marcio is classified as "Very Rare" and is more popular than 81.4% of all first names in the SSA database. A total of 378 births have been registered with this name since 1880.
When was Marcio most popular?
Marcio reached peak popularity in 1986, when 16 babies were given this name. The average age of a living person named Marcio is approximately 27 years old, reflecting when the name was most commonly given.
Is Marcio a male name?
Marcio is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Marcio Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Marcio Smith, Marcio Johnson, Marcio 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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