Quick answers about Mcarthur
How many people are named Mcarthur?
An estimated 1,322 living Americans are named Mcarthur.
How rare is Mcarthur?
Mcarthur fell below the SSA's 5-birth reporting floor in 2025. It is extremely rare as a new baby name.
How old is the typical Mcarthur?
The median age of a living American named Mcarthur is approximately 61 years, with most bearers falling between 45 and 76 years old.
Is Mcarthur still popular?
Not especially. Mcarthur has been declining since its 1942 peak and registered 0 births in 2025.
Where is Mcarthur most common?
Mcarthur has its strongest geographic signal in Mississippi, where it appears 8.8× more often than the national baseline.
1912Peak 19422025
Where it lives now
Mcarthur is most concentrated in Mississippi — about 8.8× the national rate in the 1940s. It also runs high in South Carolina and Georgia.
States where Mcarthur is given more often than the national average — its present-day heartland.
3×+
2×+
1.5×+
1.2×+
~ national