Boy Name · Scottish Gaelic Origin
Alistair
Alistair means “To defend”. It is a boy's name of Scottish Gaelic origin, and it is rare in the United States today — outside the SSA top 1,000.
Origin and meaning: English Wiktionary (CC BY-SA 4.0). Popularity: US Social Security Administration.
Alistair — a boy name from the Scottish Gaelic tradition — is an uncommon, standout choice. Its meaning, "To defend", anchors the name in something deeper than sound alone. If Alcide is on your shortlist, Alistair belongs in the same conversation.
Alistair meaning, origin, and usage
Meaning: To defend
Origin: Scottish Gaelic naming roots help connect Alistair to related Scottish Gaelic baby names.
Pronunciation: Baby Name Studio pronounces Alistair as A·L·I·S·T·A·I·R, with 8 letters and a boy usage profile.
Popularity: According to Baby Name Studio's 2026 tracker, Alistair is an uncommon, standout choice in the Rare tier.
Alistair variants, nicknames, middle names, and sibling names
- Variants and spelling ideas: Alistaira, Alistaire, Alistairy, Alistai.
- Nicknames: Alis and A.
- Middle names: Pair Alistair with a middle name that balances its substantial sound; start with the Alistair middle name generator.
- Sibling names: Alcide, Alston, Aloysius, Algernon, Alexander — full picks on the sibling names for Alistair guide for a cohesive sibset.
- Similar names: Looking for names that sound like Alistair? Browse our names like Alistair 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 Alistair
What does the name Alistair mean?
Alistair means "To defend" and is of Scottish Gaelic origin. The meaning is recorded in English Wiktionary (CC BY-SA 4.0), and in US records Alistair is used as a boy name.
What is the origin of Alistair?
Alistair originates in Scottish Gaelic naming tradition.
How do you pronounce Alistair?
Alistair has 8 letters and is most commonly stressed on the first syllable.
Is Alistair a boy's or girl's name?
Alistair is primarily used as a boy's name in US records.
How popular is Alistair in 2026?
In our 2026 popularity tracker, Alistair sits in the Rare tier — an uncommon, standout choice.
What names are similar to Alistair?
Names that share Alistair's sound and style include Alcide, Alston, Aloysius, Algernon, Alexander.
What middle names pair well with Alistair?
Good middle-name fits for Alistair pair an opposite syllable rhythm: if Alistair is short, lean longer (e.g. classical or three-syllable middles); if Alistair is longer, a one-syllable middle keeps the full name from feeling heavy.
What are good sibling names for Alistair?
Sibling names that pair naturally with Alistair share its rhythm without rhyming — Alcide, Alston, Aloysius all sit comfortably alongside it on a shortlist.