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Niall

Boy name · Celtic · Gaelic · Irish

US rank
#1,699
Syllables
1
Peak
#1,573 in 2024

96 babies were named Niall in the US in 2025. It has climbed 414 places in five years.

Found on lists

Popular IrelandTop 100 Boys NamesTop 100 Boys Names 2011Top 100 Boys Names 2012Top 100 Boys Names 2013Unisex Baby Names
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US births per million boys, 1955–2025

03570195520002025

Most popular states (2025)

MA rank #789PA rank #913

Similar names

Popularity: U.S. Social Security Administration (babies with 5+ births per year).

Did you know?

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

Niall Horan

Famous Niall

Niall Horan

Irish singer-songwriter

Choose Niall and your child shares a first name with Niall Horan, an Irish singer-songwriter. A ready-made answer when someone asks “Niall, like who?” Niall Horan's Wikipedia article is available in 57 languages, a good sign of just how widely known they are.

Read about Niall Horan on Wikipedia (opens in a new tab)

Photo: Office of the President of the United States, Public domain (opens in a new tab), via Wikimedia Commons

  • How commonAbout 1 in every 17,794 baby boys born in the US in 2025 was named Niall, 96 babies in all. In a typical school of 500 kids, your Niall would very likely be the only one.
  • HistoryNiall first shows up in US birth records in 1955, the first year at least 5 babies got it. It has been in use for 70 years since.
  • Best yearIts best year was 2024, when it reached #1,573.
  • Then vs nowNiall is 3.0× more common today than it was in 2000. In 2000 it was given to about 1 in 53,191 baby boys; in 2025, about 1 in 17,794.
  • TrendNiall has climbed 414 places in the US rankings over the last five years and now sits at #1,699. Fast risers like this often keep climbing, so expect to hear it more.
  • Where it's lovedNiall is most popular in Massachusetts, where it ranks #789, followed by Pennsylvania (#913). It's in the top 1,000 in 2 states.

About the name Niall

Niall is a boy name of Celtic, Gaelic and Irish origin. It has 5 letters and 1 syllable, starting with N and ending in “-all”. US birth records list Niall for boys from 1955 to 2025, in 68 of those 71 years. Its best year was 2024, when it ranked #1,573 among boy names. In 2025 it ranked #1,699, with 96 babies.

Origin:Celtic namesGaelic namesIrish names

Niall for boys, by decade
DecadeBabies per millionAbout 1 in
1950s2.3442,478 boys
1960s3.5283,286 boys
1970s6.1164,745 boys
1980s7.5133,511 boys
1990s1758,072 boys
2000s1661,050 boys
2010s3132,436 boys
2020s5019,809 boys

Other spellings of Niall

More Celtic boy names

Questions about the name Niall

What is the origin of the name Niall?

Niall has Celtic, Gaelic, Irish roots in our records. Other Celtic names include Owen, Logan, Rowan.

Is Niall a boy or girl name?

Niall is a boy name.

How popular is the name Niall?

Niall ranked #1,699 for US boys in 2025, given to 96 babies. Its best year was 2024 (#1,573).