Boy Name
Merlin
Merlin means “Sea-hill”. 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.
Origin and meaning: English Wiktionary (CC BY-SA 4.0). Popularity: US Social Security Administration.
Merlin is a boy baby name, meaning "Sea-hill". It currently sits in the Rare tier of US baby names for 2026, and parents who love Merlin often also consider Marlin.
Merlin meaning, origin, and usage
Meaning: Sea-hill
Origin: Multiple naming traditions are associated with this name.
Pronunciation: Baby Name Studio pronounces Merlin as M·E·R·L·I·N, with 6 letters and a boy usage profile.
Popularity: According to Baby Name Studio's 2026 tracker, Merlin is an uncommon, standout choice in the Rare tier.
Merlin variants, nicknames, middle names, and sibling names
- Variants and spelling ideas: Merlina, Merline, Merliny, Merli.
- Nicknames: Mer and M.
- Middle names: Pair Merlin with a middle name that balances its substantial sound; start with the Merlin middle name generator.
- Sibling names: Marlin, Merlyn, Mervin, Merlene, Merilyn — full picks on the sibling names for Merlin guide for a cohesive sibset.
- Similar names: Looking for names that sound like Merlin? Browse our names like Merlin 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 Merlin
What does the name Merlin mean?
Merlin means "Sea-hill". The meaning is recorded in English Wiktionary (CC BY-SA 4.0), and in US records Merlin is used as a boy name.
What is the origin of Merlin?
The exact origin of Merlin is debated, but it has been used across multiple naming traditions.
How do you pronounce Merlin?
Merlin has 6 letters and is most commonly stressed on the first syllable.
Is Merlin a boy's or girl's name?
Merlin is primarily used as a boy's name in US records.
How popular is Merlin in 2026?
In our 2026 popularity tracker, Merlin sits in the Rare tier — an uncommon, standout choice.
What names are similar to Merlin?
Names that share Merlin's sound and style include Marlin, Merlyn, Mervin, Merlene, Merilyn.
What middle names pair well with Merlin?
Good middle-name fits for Merlin pair an opposite syllable rhythm: if Merlin is short, lean longer (e.g. classical or three-syllable middles); if Merlin is longer, a one-syllable middle keeps the full name from feeling heavy.
What are good sibling names for Merlin?
Sibling names that pair naturally with Merlin share its rhythm without rhyming — Marlin, Merlyn, Mervin all sit comfortably alongside it on a shortlist.