Macarthur
Meaningson of Arthur · Scottish
- US rank
- #10,695
- Syllables
- 3
- Peak
- #512 in 1942
6 babies were named Macarthur in the US in 2025. It has dropped 5,460 places in five years.
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US births per million boys, 1941–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Macarthur you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- How commonAbout 1 in every 285,714 baby boys born in the US in 2025 was named Macarthur, 6 babies in all. In a typical school of 500 kids, your Macarthur would very likely be the only one.
- HistoryMacarthur first shows up in US birth records in 1941, the first year at least 5 babies got it. It has been in use for 84 years since.
- Best yearIt was far more popular in 1942, when it ranked #512. Today it's #10,695, so it could be due a comeback.
- TrendMacarthur has slipped 5,460 places over the last five years and now sits at #10,695. Good news if you want a familiar name that fewer kids will share.
- MeaningIn Scottish, Macarthur means “son of Arthur”.
About the name Macarthur
Macarthur is a boy name of Irish origin meaning “son of Arthur”. It has 9 letters and 3 syllables, starting with M and ending in “-hur”. US birth records list Macarthur for boys from 1941 to 2025, in 84 of those 85 years. Its best year was 1942, when it ranked #512 among boy names. In 2025 it ranked #10,695, with 6 babies.
Origin:Irish names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1940s | 27 | 36,423 boys |
| 1950s | 6.6 | 150,830 boys |
| 1960s | 7.8 | 127,877 boys |
| 1970s | 9.2 | 109,170 boys |
| 1980s | 6.0 | 167,785 boys |
| 1990s | 5.7 | 176,678 boys |
| 2000s | 4.9 | 204,499 boys |
| 2010s | 6.9 | 145,349 boys |
| 2020s | 5.5 | 181,818 boys |
More Irish boy names
- Boy name: Liam · resolute protector
- Unisex name: Owen · well-born
- Unisex name: Logan · little hollow
- Unisex name: Nolan · descendant of Nuallán
- Unisex name: Gael · a Gael
- Boy name: Arthur · possibly bear
- Unisex name: Ryan · little king
- Boy name: Dominic · of the Lord
Questions about the name Macarthur
What does the name Macarthur mean?
Macarthur means “son of Arthur” in Scottish.
What is the origin of the name Macarthur?
Macarthur has Irish roots in our records. Other Irish names include Liam, Owen, Logan.
Is Macarthur a boy or girl name?
Macarthur is a boy name.
How popular is the name Macarthur?
Macarthur ranked #10,695 for US boys in 2025, given to 6 babies. Its best year was 1942 (#512).