Liam
BoyIrish, Germanic· “resolute protector”
- Meaning
- resolute protector
- Origin
- Irish, Germanic
- Pronunciation
- LEE-uhm
- Syllables
- 2
- US rank 2025
- #1
- US babies 2025
- 20,818
- Best rank
- #1 (2017)
- Peak year
- 2024
Meaning and origin of Liam
Liam is an Irish and Germanic name that means “resolute protector”.
Liam began in Ireland as a short form of Uilliam, the Irish version of William. It therefore shares William's Germanic roots in wil, "will", and helm, "helmet" or "protection", giving the usual meaning "resolute protector". For a long time Liam was mostly an Irish name, but it spread through Britain, Canada, Australia and the United States in the late twentieth century and later became a top choice across much of the English-speaking world. Actor Liam Neeson helped make it familiar internationally. The name is short, crisp and friendly, with a gentle vowel sound. It suits parents who like William's heritage but want something lighter and more modern.
Popularity over time
Liam first appears in US Social Security records in 1947. It has ranked in the top 1,000 in 53 different years, starting in 1967. Its best national rank was #1 in 2017, and the most babies received it in 2024, when 22,252 were named Liam. In 2025, 20,818 babies were named Liam, and it ranked #1 nationally. Its use has been fairly steady over the past decade.
Its national rank moved from #2,518 in 1950, #826 in 1980, #140 in 2000, #30 in 2010, and #1 in 2025. Of the 358,536 US boys named Liam since records began, 49% were born in the 2010s, its biggest decade. The 2020s come next, with 124,842 babies.
Other boys' names that peaked around the same time include Noah, Oliver, Theodore, Henry, and Mateo.
Where it is most popular (2025)
In 2025, Liam ranked highest in Texas, California, and Florida.
| State | Rank there | Babies |
|---|---|---|
| Texas | #1 | 2,688 |
| California | #1 | 2,624 |
| Florida | #1 | 1,865 |
| New Jersey | #1 | 749 |
| Illinois | #1 | 690 |
Gender, sound and spelling
In the US it is used almost only for boys.
Liam is usually pronounced LEE-uhm, with two syllables. It has four letters, starts with L and ends in “-am”.
Middle names for Liam
A few middle names that flow with Liam: each avoids a matching first letter, a rhyme and a vowel clash where the names meet.
Sibling names for Liam
Similar names
Lists that include Liam
Frequently asked questions
What does the name Liam mean?
Liam is an Irish and Germanic name that means “resolute protector”.
What is the origin of the name Liam?
Liam has Irish and Germanic roots. Liam began in Ireland as a short form of Uilliam, the Irish version of William.
Is Liam a popular name?
Yes. Liam ranked #1 in the US in 2025, which makes it one of the 100 most popular names.
Is Liam a boy or girl name?
Liam is mainly a boy's name. In the US it is used almost only for boys.
How do you pronounce Liam?
Liam is usually pronounced LEE-uhm. Stressed syllables are in capital letters.
Popularity figures come from US Social Security card applications (names given to at least five babies in a year, 1880 to 2025). How we source names and meanings