Ciaran

Boy Name #1,779 Most Popular Hidden Gem 2 Syllables

An ancient Irish saint's name with dark Celtic roots

Irish Scottish British

Ancient Strong Traditional Bold Earthy

Meaning & Origin

"little dark one"

Origin: Irish Gaelic

Language: Irish

"dark, black-haired"

Origin: Old Irish

Language: Irish

Things to Know About This Name

Frequently mispronounced outside Irish-speaking communities — the C is silent as K

The Story of Ciaran

Ciarán derives from the Old Irish word 'ciar' meaning dark or black, combined with the diminutive suffix '-án', giving it the affectionate meaning 'little dark one.' The name was borne by numerous saints in early Irish Christianity, most notably Saint Ciarán of Clonmacnoise (516–549 AD), one of the twelve apostles of Ireland who founded one of the great monastic schools of early medieval Europe. The darker meaning referred to dark-haired or dark-complexioned individuals, seen as a mark of Celtic heritage.

Ciarán has surged in the English-speaking world alongside a broader Celtic revival in baby naming. In Ireland, it has long been a top-20 boy's name. Outside Ireland, it spread through the diaspora and gained attention via Irish actors like Ciarán Hinds.

In Irish tradition, the name carries the weight of two beloved saints — Ciarán of Clonmacnoise and Ciarán of Saighir — making it deeply embedded in Catholic Irish identity. The name represents the rich monastic culture that kept learning alive in medieval Europe.

Fun Facts

Saint Ciarán of Clonmacnoise died at just 33, the same age as Jesus, which deepened his veneration
Clonmacnoise, founded by the original Ciarán, was one of the most important centres of learning in early medieval Europe
The name's popularity in Ireland has remained consistent for over 1,500 years

Ciaran in Other Languages

Irish Ciarán

Welsh Ciaran

English Kieran

Spanish Kiarán

Scottish Gaelic Ciarán

Famous People Named Ciaran

Ciarán McMenamin

Actor

1975

Northern Irish actor known for his roles in Irish and British television drama

Ciarán Hinds

Actor

1953

Northern Irish actor known for Game of Thrones (Mance Rayder), Munich, and Tinker Tailor Soldier Spy

Ciarán of Clonmacnoise

Religious

One of the twelve apostles of Ireland, founder of the great monastery at Clonmacnoise (516–549 AD)

Quick Facts

Gender: Boy
Syllables: 2
Popularity Rank: #1,779
Total SSA Count: 92
Cultural Origins: Irish Scottish British
Pronunciation: Hard
Formality: Moderate
Cross-Cultural Ease: Low

Common Nicknames

Kier Ciar

Pairs Well With

Ciaran James Ciaran Patrick Ciaran Finn Ciaran Declan Ciaran John Ciaran Liam Ciaran Thomas

Sibling Names

Aoife Niamh Conor Declan Fionnuala Eoin Sorcha

Also a Girl Name

Ciaran is also used as a girl name, ranked #34873.

View Ciaran as a girl name →

Similar Names

Orrin Soren Kyran Keren Kenan Kiernan Krishna Kyron

Playground Safety

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Frequently Asked Questions About Ciaran

What does the name Ciaran mean?

"little dark one" (from Irish Gaelic). "dark, black-haired" (from Old Irish). Ciarán derives from the Old Irish word 'ciar' meaning dark or black, combined with the diminutive suffix '-án', giving it the affectionate meaning 'little dark one.' The name was borne by numerous saints in early Irish Christianity, most notably Saint Ciarán of Clonmacnoise (516–549 AD), one of the twelve apostles of Ireland who founded one of the great monastic schools of early medieval Europe. The darker meaning referred to dark-haired or dark-complexioned individuals, seen as a mark of Celtic heritage.

What is the origin of the name Ciaran?

Ciaran has Irish Gaelic, Old Irish, Irish, Scottish, and British origins. In Irish Gaelic, it means "little dark one". In Old Irish, it means "dark, black-haired".

Is Ciaran a boy or girl name?

Ciaran is used as both a boy and girl name. As a boy name, it is ranked #1779. As a girl name, it is ranked #34873. Ciaran is more commonly used as a boy name.

How popular is the name Ciaran?

Ciaran is currently ranked #1779 in popularity for boy names in the United States.

What are common nicknames for Ciaran?

Common nicknames for Ciaran include Kier and Ciar.

What are good middle names for Ciaran?

Popular middle name pairings include Ciaran James, Ciaran Patrick, Ciaran Finn, Ciaran Declan, Ciaran John, Ciaran Liam, and Ciaran Thomas.

What are good sibling names for Ciaran?

Names that pair well with Ciaran as siblings include Aoife, Niamh, Conor, Declan, Fionnuala, Eoin, and Sorcha.

How many syllables does Ciaran have?

Ciaran has 2 syllables, making it easy to say and remember.

Is Ciaran a common or rare name?

Ciaran is an uncommon name, ranked #1779 in the US. Its rarity gives it a distinctive, memorable quality.

About the Name Ciaran

Ciaran is a boy name with Irish, Scottish, and British origins . The name means "little dark one" in Irish Gaelic .

Is Ciaran a boy or girl name? Ciaran is used as both a boy and girl name. As a boy name, it ranks #1,779 in popularity. As a girl name, it ranks #34,873. Ciaran is more commonly used as a boy name.

Ciaran is currently ranked #1,779 in popularity for boy names in the United States.

The name Ciaran has 2 syllables, making it easy to pronounce and remember.

Common nicknames for Ciaran include Kier and Ciar. These shorter forms provide casual alternatives while keeping the elegance of the full name.