How Many People Are Named Marlus?
An estimated 2 people in the United States have the first name Marlus. It is almost exclusively a female name. The average bearer is 89 years old, and Marlus peaked in popularity in 1930 with 5 births that year.
Below you will find a full statistical profile of Marlus 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 Marlus paired with any surname.
Key Insights
- With an average bearer age of 89, Marlus is a vintage name most associated with earlier generations. Most living bearers were born before 1947.
- Marlus is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
2
About 1 in 171,377,169 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
89
years old
Peak Year
1930
5 births
Total Registered
10
since 1880
Gender Distribution for Marlus
Marlus is almost exclusively a female name. Out of 10 total births registered, 100.0% were female.
Marlus as a female name
Ranked #4,825 in 1941
5 female births in 1941
Peak: 1930 (5 births)
Marlus: Popularity Over Time
SSA records for Marlus span from the 1930s to the 1940s, covering 2 decades of naming data. The most popular decade for this name was the 1940s, when 5 babies were registered. Marlus remains highly popular today, with recent registration numbers near its historical peak.
Marlus by Decade
How has Marlus 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.
Marlus + Last Name Combinations
How many people share a full name with Marlus as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Marlus
Other first names starting with M with a similar number of bearers.
Marlus: Questions and Answers
How many people in the U.S. are named Marlus?
We estimate approximately 2 people named Marlus 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 171,377,169 Americans share this first name.
Is Marlus a common name?
Marlus is classified as "Very Rare" and is more popular than 4.3% of all first names in the SSA database. A total of 10 births have been registered with this name since 1880.
When was Marlus most popular?
Marlus reached peak popularity in 1930, when 5 babies were given this name. The average age of a living person named Marlus is approximately 89 years old, reflecting when the name was most commonly given.
Is Marlus a female name?
Marlus is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Marlus Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Marlus Smith, Marlus Johnson, Marlus 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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