Boy Name
Mcarthur
Mcarthur 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.
Mcarthur is a boy baby name. It currently sits in the Rare tier of US baby names for 2026, and parents who love Mcarthur often also consider Macarthur.
Mcarthur meaning, origin, and usage
Meaning: Mcarthur has a distinctive sound and evolving modern usage.
Origin: Multiple naming traditions are associated with this name.
Pronunciation: Baby Name Studio pronounces Mcarthur as M·C·A·R·T·H·U·R, with 8 letters and a boy usage profile.
Popularity: According to Baby Name Studio's 2026 tracker, Mcarthur is an uncommon, standout choice in the Rare tier.
Mcarthur variants, nicknames, middle names, and sibling names
- Variants and spelling ideas: Mcarthura, Mcarthure, Mcarthury, Mcarthu.
- Nicknames: Mcar and M.
- Middle names: Pair Mcarthur with a middle name that balances its substantial sound; start with the Mcarthur middle name generator.
- Sibling names: Macarthur, Mcdonald, Missouri, Mckinley, Mckenzie — full picks on the sibling names for Mcarthur guide for a cohesive sibset.
- Similar names: Looking for names that sound like Mcarthur? Browse our names like Mcarthur 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 Mcarthur
What does the name Mcarthur mean?
Mcarthur 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 Mcarthur?
The exact origin of Mcarthur is debated, but it has been used across multiple naming traditions.
How do you pronounce Mcarthur?
Mcarthur has 8 letters and is most commonly stressed on the first syllable.
Is Mcarthur a boy's or girl's name?
Mcarthur is primarily used as a boy's name in US records.
How popular is Mcarthur in 2026?
In our 2026 popularity tracker, Mcarthur sits in the Rare tier — an uncommon, standout choice.
What names are similar to Mcarthur?
Names that share Mcarthur's sound and style include Macarthur, Mcdonald, Missouri, Mckinley, Mckenzie.
What middle names pair well with Mcarthur?
Good middle-name fits for Mcarthur pair an opposite syllable rhythm: if Mcarthur is short, lean longer (e.g. classical or three-syllable middles); if Mcarthur is longer, a one-syllable middle keeps the full name from feeling heavy.
What are good sibling names for Mcarthur?
Sibling names that pair naturally with Mcarthur share its rhythm without rhyming — Macarthur, Mcdonald, Missouri all sit comfortably alongside it on a shortlist.