Killian

A boys’ name of Irish origin, meaning small church; bright-headed.

Babies a year
1,513
the US, 2017
Rarity
Uncommon
among names in use
US popularity
#418
down from #369
UK popularity
#627
59 babies · up from #638

How Killian has moved

US popularity rank, 2015–2025. Lower is more popular.
#214#334#453201520202025#418

View as table
YearUS rank
2015#349
2016#264
2017#249
2018#287
2019#311
2020#352
2021#348
2022#364
2023#366
2024#369
2025#418

Killian by the numbers

In 2025, 59 babies in England and Wales were named Killian. In the US, 1,513 were, though that figure is from 2017, the most recent full year we hold.

For the size of the two countries, it is given several times more often in the US than in England and Wales.

Its best year in America so far is the most recent one on record, which means it was still climbing when the records end.

Spelled almost the same

Other names in the records within a letter or two of Killian. Close spellings are not always related names, but they are usually worth seeing together.

  • Kiliansmall church; derived from Cillian162 in the US (2017)
  • Kyllian23 in the US (2017)
  • Killean9 in the US (2017)
  • Killion9 in the US (2017)
  • Killiam7 in the US (2017)
  • Kellanbright-headed; form of Kellen506 in the US (2017)

Sounds like Killian

Names that are said the same way as Killian, however they are written. Sounding alike does not mean they share a history.

  • Kylianchurch or conflict; related to Kylie or Killian53 in England and Wales (2025)
  • Kilyansmall and graceful; a form of Kilian11 in the US (2017)

Other names that mean light

Like Killian, each of these has light in its meaning. Different names, different histories, the same idea.

  • Lucasbringer of light; from Lucania12,963 in the US (2017)
  • Lukefrom Lucania; light9,168 in the US (2017)
  • Robertbright fame; renowned warrior5,507 in the US (2017)
  • Lucabringer of light3,266 in England and Wales (2025)
  • Elliottbright fame; a form of Elijah2,996 in the US (2017)
  • Elliotbright fame; a form of Elijah544 in England and Wales (2025)

Names about as common as Killian

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