Killian is a distinctive choice, ranked #638 in 2024. Your child is likely to be the only Killian in their class.
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UK Rank 2024
#638
US Rank #369
About the Name Killian
Killian is holding steady in the rankings at #638. It reached its peak of #492 in 2022 and has maintained consistent levels since — the hallmark of a name with lasting rather than trend-driven appeal. The name has been a consistent presence in UK records since 1996.
Killian is distinctive enough that your child will likely be the only one in both their class and their school — standing out on every register.
In the US it ranks even higher at #369, where it enjoys a particularly strong following.
Frequently Asked Questions
Common questions about the name Killian
Unlikely. With around 59 UK babies named Killian per year, your child will almost certainly be the only Killian in his class, and possibly the only one in the whole school.
Killian has held a stable position around #638 for several years. It reached its recorded peak of #492 in 2022 and has maintained consistent levels since — suggesting lasting rather than trend-driven appeal.
Killian is more popular in the US (#369) than in the UK (#638). Names with strong rankings in both countries tend to have broad cross-cultural appeal, working well for international families or those with ties to both nations.
Notable people named Killian include: Ross Killian — Ross Killian is an Irish sailor.; Michael Killian — Michael Killian is a former South African rugby union player.; Killian Mottet — Killian Mottet is a Swiss professional ice hockey player currently playing for HC Fribourg-Gottéron of the National League (NL)..
Killian appears in the US top 500 at #369 in 2024 — moderately popular in America, though less so than in the UK.
59
UK babies named Killian (2024)
< 1
Expected classmates with this name (class of 28)
~0.0
In a school of 600
↓ 15 places
Rank change (last 5 years)
🏫 Who else is in the room?
In a typical UK class of 28, highlighted children share the name Killian
Likely around 1 other Killian in the class
UK Popularity (1996–2024)
Rank and birth count · ONS official data
US Popularity (2020–2024)
Rank · SSA official data
✨ Similar names to Killian
Names with a similar style — each with their own classroom story
Michael Killian is a former South African rugby union player. He played mostly as a winger and represented the Eastern Province Kings and Golden Lions in domestic South African rugby and the Southern Kings and Lions in Super Rugby.
Killian Mottet is a Swiss professional ice hockey player currently playing for HC Fribourg-Gottéron of the National League (NL). He was named to the 2022 Swiss Olympic men's ice hockey team.
Cillian Damien Murphy, known professionally as Killian Scott, is an Irish actor. He first came to prominence for his role as Tommy in the RTÉ One series Love/Hate.
The Killian documents controversy (also referred to as Memogate or Rathergate) involved six documents containing false allegations about President George W. Bush's service in the Texas Air National Guard in 1972–73, allegedly typed in 1973.
Killian Cahill is an Irish professional footballer who plays as a goalkeeper for EFL League One club Leyton Orient. He is a former Republic of Ireland under-21 international.
Killian Donnelly is an Irish tenor singer and stage actor. He has appeared in musicals such as Les Misérables, The Phantom of the Opera, and Kinky Boots.
Killian Phillips is an Irish footballer who plays as an attacking midfielder for St Mirren. Born in United States, he represents the Republic of Ireland national team.