Cillian

Cillian is a Irish boy's name. An Irish name meaning "war" or "strife" or possibly "church". Has gained some recognition through actor Cillian Murphy.

How popular is Cillian in the United States?

In 2024, 668 boys in the United States were named Cillian, making it the 463rd most popular boy's name that year.

It has climbed sharply, from 1,733rd a decade earlier.

2024 is its busiest year on record.

Records for Cillian go back to 1995, and 3,492 babies have been given the name since.

What Cillian means and where it comes from

An Irish name meaning "war" or "strife" or possibly "church". Has gained some recognition through actor Cillian Murphy.

Cillian is of Irish origin, described as celtic in style.

Is Cillian a boy's or a girl's name?

In 2024, Cillian went to 6 girls and 668 boys — 99% boys.

In practice it reads as a boys' name in the US.

Sibling name ideas for Cillian

Names of the same origin for a sister, most common first.

Frequently asked questions

What does the name Cillian mean?

An Irish name meaning "war" or "strife" or possibly "church". Has gained some recognition through actor Cillian Murphy.

Where does the name Cillian come from?

Cillian is of Irish origin, and is usually described as celtic in style.

How popular is Cillian in the United States?

In 2024, 668 boys in the United States were named Cillian, making it the 463rd most popular boy's name that year.

Is Cillian a boy's or a girl's name?

In 2024, Cillian went to 6 girls and 668 boys — 99% boys. In practice it reads as a boys' name in the US.

Lists Cillian appears on

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