US Popularity Rank: 4321

Origin: Welsh

Meaning: Sea fortress

From King Arthur’s right-hand wizard to the small falcon, Merlin is a common name across the globe. Derived from the name Myrddin, Merlin is a baby boy name of Welsh origin, meaning “sea fortress.” From the medieval era to World War II, forts have been used to defend nations against enemy ships and planes. Whether you adore these forts or the powerful symbolism behind them, baby Merlin can be your mighty protector every day.