How Many People Are Named Macarthur?
An estimated 1,032 people in the United States have the first name Macarthur. It is almost exclusively a male name. The average bearer is 47 years old, and Macarthur peaked in popularity in 1942 with 142 births that year.
Below you will find a full statistical profile of Macarthur 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 Macarthur paired with any surname.
Estimated Living Americans
1,032
About 1 in 332,126 people in the U.S.
Rarity
Rare
Predicted Gender
Male
100.0% confidence
Average Age
47
years old
Peak Year
1942
142 births
Total Registered
1,285
since 1880
Gender Distribution for Macarthur
Macarthur is almost exclusively a male name. Out of 1,285 total births registered, 100.0% were male.
Macarthur as a male name
Ranked #10,488 in 2024
7 male births in 2024
Peak: 1942 (142 births)
Macarthur: Popularity Over Time
SSA records for Macarthur span from the 1940s to the 2020s, covering 9 decades of naming data. The most popular decade for this name was the 1940s, when 357 babies were registered. Macarthur has declined significantly from its peak in the 1940s. Recent registrations are a fraction of what they were at the name's height.
Macarthur by Decade
How has Macarthur 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.
Macarthur by State
Birth registrations for Macarthur span all 14 states and territories in the SSA database. The highest counts are in Mississippi, Alabama, Tennessee. The lowest are in South Carolina, Illinois, California. On average, about 13 Macarthurs were registered per state.
Macarthur + Last Name Combinations
How many people share a full name with Macarthur as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Macarthur
Other first names starting with M with a similar number of bearers.
Macarthur: Questions and Answers
How many people in the U.S. are named Macarthur?
We estimate approximately 1,032 people named Macarthur 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 332,126 Americans share this first name.
Is Macarthur a common name?
Macarthur is classified as "Rare" and is more popular than 90.3% of all first names in the SSA database. A total of 1,285 births have been registered with this name since 1880.
When was Macarthur most popular?
Macarthur reached peak popularity in 1942, when 142 babies were given this name. The average age of a living person named Macarthur is approximately 47 years old, reflecting when the name was most commonly given.
Is Macarthur a male name?
Macarthur is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Macarthur Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Macarthur Smith, Macarthur Johnson, Macarthur 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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