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Mcarthur

Boys' name

Variant of Macarthur

Mcarthur has been given to 2,275 babies in the U.S. since 1912. It was used fewer than 5 times in 2025, so it doesn't appear in the latest year's list — today it's a genuinely uncommon pick. Its peak year was 1942, with 290 recorded.

Babies named Mcarthur, 2023

1 in 663,000

Mcarthur over time, 1880–2025

Boys
010020030018801900192019401960198020002020

Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Mcarthur: meaning, origin, and history

Variant of Macarthur

Deeper origin not confirmed in the cited records

What Mcarthur means

Mcarthur is a variant of Macarthur.

Documented naming usage and pronunciation

Mcarthur is used in English (American).

Related names and everyday forms

Related names include Macarthur.

American usage and historical context

In the United States, 2,275 boys were recorded with the name Mcarthur between 1912 and 2023. Its highest annual count was 290 in 1942; its best national rank was #357 in 1942.

Sources & methodologyReferences, data & attribution

Meaning, origin, and language notes draw on the references below.

American popularity figures use published Social Security Administration records for this exact spelling. Counts below five for a name, sex, and year are omitted.

How common is Mcarthur?

Mcarthur had fewer than 5 recorded uses in 2025, so these figures use 2023, the last year it was published.

Among all babies, 2023
1 in 663,000
5 of 3,314,783 births
Among boys only
1 in 342,000
<0.01% of boys
Rank, 2023
Unranked
Fewer than 5 uses
Coin-flip room size
459,528 kids
Even odds of a second one

Where Mcarthur sits on the popularity scale

Rarest published (5 a year)#1 — Liam (20,818)

Chance at least one other child shares the name

If the other children were drawn at random from the 2023 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.

Class of 20Under 1%
Class of 30Under 1%
Grade of 100Under 1%
School of 500Under 1%

Put another way: gather 459,528 children born in 2023 and it's an even bet that one of them is another Mcarthur. In a class of 30 the chance is Under 1%.

When Mcarthurs were born

Half of everyone ever recorded as Mcarthur was born before 1951 — so the typical Mcarthur is around 74 today.

Median birth year
1951
About 74 years old
Biggest decade
1940s
43.1% of all use
Born in the last 25 years
4.9%
Mostly a past generation
Recorded since 1950
1,263
People you could plausibly meet
Choose a decade

1940s — 43.1% of all recorded uses (980).

Is Mcarthur rising or falling?

Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.

Rank vs 1 year ago
—
Not ranked then
Rank vs 5 years ago
New entry
Not ranked then
Rank vs 10 years ago
—
Not ranked then
Births vs 10 years ago
—
Not published both years
Share of its own peak
0%
Peak was 1942 (290)
Years since peak
83
Years
Year-to-year steadiness
Volatile
36.0% average annual change
Best rank ever
#357
1942

Spellings of Mcarthur

Mcarthur is not the most common spelling — Arthur is, with 99.4% against Mcarthur's 0.41%.

Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.

Where Mcarthur is used

Across 1910–2025, Mcarthur was most concentrated in Mississippi — about 1 in 11,111 boys, against 1 in 52,028 across all states with data. It was least common in West Virginia (1 in —).

09 per 100,000

Most concentrated

  1. 1Mississippi1 in 11,111
  2. 2Alabama1 in 20,000
  3. 3South Carolina1 in 20,000
  4. 4Georgia1 in 25,000
  5. 5Louisiana1 in 50,000
  6. 6North Carolina1 in 50,000
  7. 7Arkansas1 in 100,000
  8. 8Florida1 in 100,000

Shading is the share of that state's recorded boys given this name, not the raw count — otherwise the map would just show which states are biggest. Unshaded states have no published records for this period. U.S. birth records suppress state-year counts below 5; state counts therefore don't add up to the national total. Every state links to its full rankings. Mcarthur has too little recent state data to map, so this covers all years from 1910.

Mcarthur by the numbers

The raw record for each sex the name is used for.

As a boy's name

Rank in 2025
Unranked
Trend vs 5 yrs ago
—
Best rank ever
#357
1942
Peak year
1942
290 that year
First recorded
1912
Last recorded
2023
All-time count
2,275
Count in 2025
Under 5

Names similar to Mcarthur

Matched on shared beginnings and endings, similar length, and comparable popularity.

McauthurMacarthurAuthurAshurAurthurMcartherMcautherMcallisterMcadooMcauthorMcaidenVidhurLuthurMcalisterAruthurArthurThearthurBenhurUpshurKingarthur

Names with a curve like Mcarthur

Not spelling — timing. These names rose, peaked and faded in the same years as Mcarthur, so they read as being from the same moment even when they look nothing alike.

SandraLindaSharonLannyWoodyLindellRoddyDickiePatriciaErrolWindellGaylon

Sibling names for Mcarthur

Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.

Explore around Mcarthur

Top names of 1942, Mcarthur's peak yearThe 1940s in fullOther names that peaked in 1942Boys' names starting with M