Liam

Irish and Germanic name meaning "Irish short form of Uilliam, equivalent to William, composed of Germanic elements meaning 'will, desire' and 'helmet, protection'.". Ranked 1st for boys in 2025.

Origin: Irish, Germanic
IPA: ˈliːəm
Pronounced: LEE-um

Meaning and origin of Liam

Irish short form of Uilliam, equivalent to William, composed of Germanic elements meaning 'will, desire' and 'helmet, protection'.

Linguistically, Liam is classified under Irish and Germanic naming traditions. It is typically pronounced "LEE-um".

Popularity and ranking

In official US Social Security birth records from 1880 through 2025, Liam has been given to a total of 358,536 boys. It has also been given to 549 girls.

05,00010,00015,00018801900192019401960198020002020Liam (boys)
Babies named Liam per million boys born in the US, 1880 to 2025.

Peak year: Liam reached its highest relative share among boys in 2024, when 22,252 babies received the name (12,916 per million births).

All-time best rank: 1st place, first achieved in 2017.

Recent standing (2025): Ranked 1st with 20,818 births. Ten years earlier in 2015, it ranked 2nd (up 1 spots).

Busiest decade: More boys were named Liam in the 2010s than in any other decade (174,017 births).

Boys named Liam, by decade
DecadeRecorded births
1940s5
1950s117
1960s400
1970s784
1980s1,527
1990s11,904
2000s44,940
2010s174,017
2020s124,842

Source: Social Security Administration, national baby name data, data through 2025. Names given to fewer than five babies of one sex in a year aren't published, so totals are a little lower than actual births.

Where Liam is most common in the US

Accounting for when Liam was in fashion nationally, it has been most heavily concentrated in the following states (measured against the expected rate from each state's births):

  • Vermont: 2.2 times the national rate (772 births since 1910).
  • Rhode Island: 1.8 times the national rate (1,510 births since 1910).
  • New Hampshire: 1.7 times the national rate (1,806 births since 1910).
  • Maine: 1.6 times the national rate (1,558 births since 1910).
  • Delaware: 1.5 times the national rate (1,169 births since 1910).

Source: Social Security Administration, baby names by state, data through 2025. Names given to fewer than five babies of one sex in a state in a year aren't published, so totals are a little lower than actual births.

How many people have the name Liam?

About 355,000 living American boys and men share the name Liam. Additionally, an estimated 550 living American girls and women share the name.

The median age of an American named Liam is 9 years old.

Estimated from Social Security Administration records (1880–2025) and official SSA cohort mortality tables.

History of the name Liam

Liam developed in Ireland as an affectionate Gaelic abbreviation of Uilliam, the Irish adaptation of William introduced by Anglo-Norman settlers during the late twelfth century. Over the centuries, the name established deep roots throughout Ireland, remaining an everyday domestic staple long before it drew notice in the wider English-speaking diaspora.

International attention began to shift toward Liam in the late twentieth century, propelled by prominent figures in arts and entertainment such as Northern Irish actor Liam Neeson and Oasis frontman Liam Gallagher. Its short, melodic two-syllable cadence matched a broader parental preference for accessible Celtic names like Ryan, Aidan, and Connor.

In the United States, Liam was virtually unrecorded in official registers for much of the twentieth century, debuting in the top 1,000 only in 1980. Its subsequent rise was one of the fastest in American onomastic history: it cracked the national top 100 in 2006, crossed into the top ten in 2012, and attained the number one position for American newborn boys in 2017, where it remained firmly entrenched into the 2020s.

Notable people named Liam

Variants and related names

Sources and references

  1. Patrick Hanks, Kate Hardcastle, Flavia Hodges. A Dictionary of First Names (2006), p. 168.
  2. Donnchadh Ó Corráin, Fidelma Maguire. Irish Names (1990), p. 180.
  3. Douglas Harper. Online Etymology Dictionary. Reference link.