The first name Kilian

In 2025, 23 boys were named Kilian, making it the 1,226th most popular boys’ name.

Office for National Statistics; years with fewer than three births are not published and show as zero. Compare Kilian with other names.

In 2025, 177 boys born in the United States were named Kilian, the 1,167th most popular boys’ name that year. It was used most in 2023, when 212 were.

US Social Security Administration, from applications for a Social Security card. A name is only published for a year when at least five babies were given it, so quieter years show as zero.

• Saint Kilian
  German-Irish saint, 640–689
• Kilián Ignaz Dientzenhofer
  Czech architect, 1689–1751
• Kilian Le Blouch
  French judoka, born 1989
• Kilian Albrecht
  Austrian alpine skier, born 1973
• Kilian Ludewig
  German association football player, born 2000
• Kilian Fischhuber
  Austrian rock climber, born 1983
• Kilian Patour
  French bicycle racer, born 1982
• Kilian Fischer
  German footballer, born 2000
• John Brunner
  British author (1934–1995)

• Oscar
• Liam
• Aiden
• Carter
• Kevin
• Connor
• Brian
• Finn
• Sean
• Nolan
• Aidan
• Kian
• Ayden
• Declan
• Bryan
• Neil

All 142 names of Irish origin

What is the origin of the name Kilian?

Kilian comes from Irish.

How popular is the name Kilian?

In 2025, 23 boys born in England and Wales were named Kilian, ranking 1,226th.

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

Mostly a boy's name: 99% of the 2,717 US babies named Kilian since 1880 were boys.

When was Kilian most popular?

2023 in the United States, when 212 babies were named Kilian, its highest rank at 1,032nd.

What name is Kilian a form of?

Kilian is a form of Killian.

Is Kilian also a surname?

Yes. Kilian is used as a surname as well as a first name; its surname page has the origin and how many people carry it.