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Ciaran

Boy name · Gaelic · Irish

Meaninglittle dark one · Irish

US rank
#1,609
Syllables
2
Peak
#1,609 in 2025

105 babies were named Ciaran in the US in 2025. It has climbed 437 places in five years.

Found on lists

Top 100 Boys NamesTop 100 Boys Names 2011Top 100 Boys Names 2012Top 100 Boys Names 2013Top 100 Boys Names 2015Top 100 Boys Names 2016Top 100 Boys Names 2017
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US births per million boys, 1959–2025

03570195920002025

Most popular states (2025)

MA rank #467CT rank #498OR rank #604MD rank #634IL rank #935

Similar names

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

Did you know?

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

Ciaran Clark

Famous Ciaran

Ciaran Clark

Association football player

Choose Ciaran and your child shares a first name with Ciaran Clark, an association football player. A ready-made answer when someone asks “Ciaran, like who?” Ciaran Clark's Wikipedia article is available in 42 languages, a good sign of just how widely known they are.

Read about Ciaran Clark on Wikipedia (opens in a new tab)

Photo: Michael Kranewitter, CC BY-SA 3.0 at (opens in a new tab), via Wikimedia Commons

  • How commonAbout 1 in every 16,260 baby boys born in the US in 2025 was named Ciaran, 105 babies in all. In a typical school of 500 kids, your Ciaran would very likely be the only one.
  • HistoryCiaran first shows up in US birth records in 1959, the first year at least 5 babies got it. It has been in use for 66 years since.
  • Best yearCiaran is at its all-time high right now: #1,609 in 2025.
  • Then vs nowCiaran is 2.9× more common today than it was in 2000. In 2000 it was given to about 1 in 47,847 baby boys; in 2025, about 1 in 16,260.
  • TrendCiaran has climbed 437 places in the US rankings over the last five years and now sits at #1,609. Fast risers like this often keep climbing, so expect to hear it more.
  • Where it's lovedCiaran is most popular in Massachusetts, where it ranks #467, followed by Connecticut (#498) and Oregon (#604). It's in the top 1,000 in 5 states.
  • MeaningIn Irish, Ciaran means “little dark one”. Our records link it to Gaelic and Irish roots.

About the name Ciaran

Ciaran is a boy name of Gaelic and Irish origin meaning “little dark one”. It has 6 letters and 2 syllables, starting with C and ending in “-ran”. US birth records list Ciaran for boys from 1959 to 2025, in 48 of those 67 years. Its best year was 2025, when it ranked #1,609 among boy names. In 2025 it ranked #1,609, with 105 babies.

Origin:Gaelic namesIrish names

Ciaran for boys, by decade
DecadeBabies per millionAbout 1 in
1950s2.8357,143 boys
1960s0.61,754,386 boys
1970s1.01,010,101 boys
1980s3.3304,878 boys
1990s1663,613 boys
2000s3032,862 boys
2010s3727,360 boys
2020s4920,583 boys

More Gaelic boy names

Questions about the name Ciaran

What does the name Ciaran mean?

Ciaran means “little dark one” in Irish.

What is the origin of the name Ciaran?

Ciaran has Gaelic, Irish roots in our records. Other Gaelic names include Liam, Owen, Miles.

Is Ciaran a boy or girl name?

Ciaran is a boy name, though a few girls get it too.

How popular is the name Ciaran?

Ciaran ranked #1,609 for US boys in 2025, given to 105 babies. Its best year was 2025 (#1,609).