Liam

Did you know?

A few things about Liam you might not know, from US birth records and Wikipedia. Handy for convincing a partner, or a grandparent.

⭐ Famous Liam

Liam Hemsworth

Australian actor (born 1990)

Choose Liam and your child shares a first name with Liam Hemsworth, an Australian actor. A ready-made answer when someone asks “Liam, like who?” Liam Hemsworth's Wikipedia article is available in 63 languages, a good sign of just how widely known they are.

Read about Liam Hemsworth on Wikipedia ↗ (opens in a new tab)

Photo: Gage Skidmore, CC BY-SA 4.0 (opens in a new tab), via Wikimedia Commons

• 👶How commonAbout 1 in every 82 baby boys born in the US in 2025 was named Liam, 20,818 babies in all. In a school of 500 kids, you'd expect to meet about 3 Liams.
• 📜HistoryLiam first shows up in US birth records in 1947, the first year at least 5 babies got it. It has been in use for 78 years since.
• 🏆Best yearLiam is at its all-time high right now: #1 in 2025.
• 📈Then vs nowLiam is 8.6× more common today than it was in 2000. In 2000 it was given to about 1 in 706 baby boys; in 2025, about 1 in 82.
• 📍Where it's lovedLiam is the #1 boy name in 15 states, including Arkansas, Arizona and California. It makes the top 1,000 in almost every state.
• 💬MeaningLiam is an Irish form of William, which means “resolute protector”. Our records link it to Gaelic, German and Irish roots.
• 🌍OriginLiam is the most popular Gaelic boy name in the US. That's out of 297 Gaelic boy and unisex names in our list.

About the name Liam

Liam is a boy name of Gaelic, German and Irish origin meaning “resolute protector”. It has 4 letters and 1 syllable, starting with L and ending in “-iam”. US birth records list Liam for boys from 1947 to 2025, in 74 of those 79 years. Its best year was 2025, when it ranked #1 among boy names. In 2025 it ranked #1, with 20,818 babies.

Origin:Gaelic namesGerman namesIrish namesOld German names