Masculine dossier · first seen 1912

Mcarthur

Stable Decline Gradual decline from 1942

Peak era

1942

Peak births

290

Current vitality

Below reporting floor

Peak generation

Silent Generation

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

Peak year

1942

Decline from peak

100%

2025

All-time

2,275

Mcarthur fell hard after 1942. Within five years it had dropped 78% from its peak — one of the steepest post-peak collapses on record.

Mcarthur peaked in 1942, when 290 boys were given the name.

No boys were recorded with this name in 2025 — at least not five of them (the SSA's reporting floor).

Down 100% from its peak.

In all, the Social Security Administration has recorded about 2,275 Americans named Mcarthur since 1912.

Rarity scoreStatistical floor

Peak generationSilent Generation

StabilityHighly era-bound

TrajectoryGradual decline from 1942

Living profile

1,509

Estimated living Americans with this name.

Median age63

Core range48–79

Playground Density Index 0.0%

Wave type

Steady Decline

A name with a broad middle and a downward recent trajectory.

Geographic heartland

Mississippi

8.8× higher affinity than the national baseline.

Mississippi · 1940s 8.8×

South Carolina · 1940s 5.7×

Georgia · 1940s 5.6×