How Many People Are Named Marcellus?
An estimated 7,447 people in the United States have the first name Marcellus. It is almost exclusively a male name. The average bearer is 29 years old, and Marcellus peaked in popularity in 2021 with 351 births that year.
Below you will find a full statistical profile of Marcellus 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 Marcellus paired with any surname.
Estimated Living Americans
7,447
About 1 in 46,026 people in the U.S.
Rarity
Rare
Predicted Gender
Male
99.9% confidence
Average Age
29
years old
Peak Year
2021
351 births
Total Registered
9,397
since 1880
Gender Distribution for Marcellus
Marcellus is almost exclusively a male name. Out of 9,397 total births registered, 99.9% were male.
Marcellus as a male name
Ranked #948 in 2024
240 male births in 2024
Peak: 2021 (351 births)
Marcellus as a female name
Ranked #8,787 in 1970
5 female births in 1970
Peak: 1970 (5 births)
Marcellus: Popularity Over Time
SSA records for Marcellus span from the 1880s to the 2020s, covering 15 decades of naming data. The most popular decade for this name was the 2020s, when 1,522 babies were registered. Marcellus remains highly popular today, with recent registration numbers near its historical peak.
Marcellus by Decade
How has Marcellus 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.
Marcellus by State
Birth registrations for Marcellus span all 35 states and territories in the SSA database. The highest counts are in California, Texas, Illinois. The lowest are in Connecticut, Oregon, Kentucky. On average, about 132 Marcelluss were registered per state.
Marcellus + Last Name Combinations
How many people share a full name with Marcellus as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Marcellus
Other first names starting with M with a similar number of bearers.
Marcellus: Questions and Answers
How many people in the U.S. are named Marcellus?
We estimate approximately 7,447 people named Marcellus 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 46,026 Americans share this first name.
Is Marcellus a common name?
Marcellus is classified as "Rare" and is more popular than 97.3% of all first names in the SSA database. A total of 9,397 births have been registered with this name since 1880.
When was Marcellus most popular?
Marcellus reached peak popularity in 2021, when 351 babies were given this name. The average age of a living person named Marcellus is approximately 29 years old, reflecting when the name was most commonly given.
Is Marcellus a male name?
Marcellus is predominantly male. 99.9% of people with this name are male. See the gender breakdown above for full details.
How many Marcellus Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Marcellus Smith, Marcellus Johnson, Marcellus 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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