Cillian

Primarily a boy's name · 100% boys

Meaning

Killian or Kilian, as a given name, is an Anglicized version of the Irish name Cillian. The name Cillian was borne by several early Irish saints including missionaries to Artois and Franconia and the author of the life of St Brigid.

From Wikipedia

Cillian first appears in the data in 1995 and has been recorded in 24 different years as a boy's name. Its single biggest year was 2024 with 668 babies (rank #463 that year). In 2024 it was given to 668 boys (rank #463). The name has been rising over the last five years.

Numerology of Cillian

In Pythagorean numerology, every letter has a value from 1 to 9. Adding the letters of Cillian yields these three numbers — a playful read on the name's character.

33Destiny numberThe master teacherSelfless guidance and uplift — a heightened 6.Sum of every letter. The overall character a name carries.
1Soul urgeThe leaderIndependent, pioneering, drawn to going first.Sum of the vowels — what's said to drive the heart.
5PersonalityThe free spiritCurious, restless, energised by change.Sum of the consonants — the outer impression.

3,492

Total babies (all years)

Years in the data

668

Peak in a single year

Popularity Over Time — Boys

Famous people named Cillian

Cillian Murphyfilm actor · b. 1976

Share your Cillian story

Why did you choose this name — or what does it mean to you? Approved stories appear on this page.

More popular boys' names

Names ranked near Cillian in 2024

Other boys' names starting with C

Year-by-Year Detail

Rank is among all boys' names registered that year.

Year	Babies	Rank
1995	5	#9,094
1999	5	#10,182
2001	6	#9,466
2004	8	#8,267
2005	10	#7,206
2006	42	#2,750
2007	39	#2,982
2008	51	#2,477
2009	52	#2,458
2010	54	#2,358
2011	66	#2,040
2012	73	#1,946
2013	77	#1,853
2014	87	#1,733
2015	121	#1,418
2016	177	#1,107
2017	170	#1,126
2018	193	#1,051
2019	186	#1,077
2020	228	#957
2021	340	#749
2022	352	#737
2023	476	#594
2024	668	#463