Boy Name
Macarthur
Macarthur is a boy's name whose meaning is not firmly attested in the historical record. It is used as a boy's name across several naming traditions, and it is rare in the United States today — outside the SSA top 1,000.
Macarthur — a boy name — is an uncommon, standout choice. If Mcarthur is on your shortlist, Macarthur belongs in the same conversation.
Macarthur meaning, origin, and usage
Meaning: Macarthur has a distinctive sound and evolving modern usage.
Origin: Multiple naming traditions are associated with this name.
Pronunciation: Baby Name Studio pronounces Macarthur as M·A·C·A·R·T·H·U·R, with 9 letters and a boy usage profile.
Popularity: According to Baby Name Studio's 2026 tracker, Macarthur is an uncommon, standout choice in the Rare tier.
Macarthur variants, nicknames, middle names, and sibling names
- Variants and spelling ideas: Macarthura, Macarthure, Macarthury, Macarthu.
- Nicknames: Macar and M.
- Middle names: Pair Macarthur with a middle name that balances its substantial sound; start with the Macarthur middle name generator.
- Sibling names: Mcarthur, Masaru, Magdaleno, Major, Macario — full picks on the sibling names for Macarthur guide for a cohesive sibset.
- Similar names: Looking for names that sound like Macarthur? Browse our names like Macarthur guide for phonetic-neighbor picks.
- Explore more: use the Baby Name Explorer, name search, AI name generator, and Baby Name Studio homepage.
Frequently asked about Macarthur
What does the name Macarthur mean?
Macarthur has no single meaning that is firmly attested in the historical record. It is used as a boy name in US birth records, and parents usually choose it for its sound rather than a documented meaning.
What is the origin of Macarthur?
The exact origin of Macarthur is debated, but it has been used across multiple naming traditions.
How do you pronounce Macarthur?
Macarthur has 9 letters and is most commonly stressed on the first syllable.
Is Macarthur a boy's or girl's name?
Macarthur is primarily used as a boy's name in US records.
How popular is Macarthur in 2026?
In our 2026 popularity tracker, Macarthur sits in the Rare tier — an uncommon, standout choice.
What names are similar to Macarthur?
Names that share Macarthur's sound and style include Mcarthur, Masaru, Magdaleno, Major, Macario.
What middle names pair well with Macarthur?
Good middle-name fits for Macarthur pair an opposite syllable rhythm: if Macarthur is short, lean longer (e.g. classical or three-syllable middles); if Macarthur is longer, a one-syllable middle keeps the full name from feeling heavy.
What are good sibling names for Macarthur?
Sibling names that pair naturally with Macarthur share its rhythm without rhyming — Mcarthur, Masaru, Magdaleno all sit comfortably alongside it on a shortlist.