How Common is the First Name Cillian?
We estimate that there are 2,325 people named Cillian who are currently alive and were born in the United States. Cillian is the 2,453rd most common for men, and the 5,873rd most common overall.
How Old are People Named Cillian?
The average person named Cillian is 5.00 years old.
Is Cillian a Popular Baby Name Right Now?
349 people named Cillian were born in the U.S. in 2022. It was the 736th most popular name for boys, and the 1,523rd most popular overall.
Cillian has never been more popular than it is right now.
Is Cillian a Boy's Name or a Girl's Name?
Cillian is almost exclusively a male name. The Social Security Administration does not record any females born with the name Cillian.
Popularity of Cillian in England
In 2020, Cillian was the 238th most popular name for boys in England and Wales.