Kyllian
- Gender
- Boy
- Say it
- KIL-ee-an
- Origin
- Irish
- US rank, 2025
- #4,706 for boys
Kyllian is a boys' name of Irish origin, meaning “possibly little church”. In 2025 it ranked 4,706th for boys in the US (21 babies).
What does Kyllian mean?
Irish: spelling of Kylian, itself a spelling of Kilian, from Irish Cillian
“possibly little church”
Saint Kilian was a 7th-century Irish missionary martyred in Würzburg; this spelling is borne by footballer Kylian Mbappé.
Meaning borrowed from Kylian.
Is Kyllian a girl's or a boy's name?
Kyllian is a boys' name. In 2025, it was given to 21 boys in the US. Too few girls were given it to be listed.
How popular is Kyllian in the UK?
No boys in the UK were given it in 2025, or too few to be listed. Its busiest year was 2022, with 6 boys.
Kyllian in the UK, year by year
| Year | Boys | Rank |
|---|---|---|
| 2024 | 6 | #3,335 |
| 2023 | 0 | – |
| 2022 | 6 | #3,219 |
| 2021 | 0 | – |
| 2020 | 0 | – |
| 2019 | 0 | – |
| 2018 | 0 | – |
| 2017 | 0 | – |
| 2016 | 0 | – |
| 2015 | 0 | – |
| 2014 | 0 | – |
| 2013 | 0 | – |
| 2012 | 0 | – |
| 2011 | 1 | #6,218 |
| 2010 | 0 | – |
| 2009 | 0 | – |
| 2008 | 0 | – |
| 2007 | 0 | – |
| 2006 | 0 | – |
| 2005 | 1 | #5,109 |
How popular is Kyllian in the US?
- Rank in 2025
- 4,706th among boys
- Babies in 2025
- 21 about 1 in 81,000 boys
- Five-year trend
- Rising up 43% in five years
- Same name in a class
- under 1% chance among 15 boys
In 2025, 21 boys in the US were named Kyllian, making it the 4,706th most popular name for boys. Five years earlier, in 2020, it was 6,292nd. Its busiest year was 2023, with 39 boys. It first appears in the records in 2007.
Half of all the boys named Kyllian in the US since 1880 were born between 2016 and 2023, the years shaded on the chart below.
In 2025, 2,017 boys in the US were given Kyllian or a name that sounds the same. With every name's spellings counted this way, that ranks #200, up from #4,706 for this spelling alone.
Kyllian in the US, year by year
| Year | Boys | Rank |
|---|---|---|
| 2025 | 21 | #4,706 |
| 2024 | 36 | #3,270 |
| 2023 | 39 | #3,115 |
| 2022 | 20 | #4,846 |
| 2021 | 22 | #4,490 |
| 2020 | 13 | #6,292 |
| 2019 | 28 | #3,791 |
| 2018 | 26 | #3,989 |
| 2017 | 23 | #4,327 |
| 2016 | 26 | #3,989 |
| 2015 | 18 | #5,056 |
| 2014 | 12 | #6,627 |
| 2013 | 0 | – |
| 2012 | 5 | #12,267 |
| 2011 | 9 | #8,072 |
| 2010 | 0 | – |
| 2009 | 6 | #10,989 |
| 2008 | 5 | #12,546 |
| 2007 | 9 | #8,169 |
Names like Kyllian
Names given in the same years and the same naming tradition, with a similar sound.
Kian, Keegan, Finnian, Finn, Keelan, Keenan, Conan, Cassian, Ronan, Kayden, Cillian, Brayden
Other spellings of Kyllian
Names related to Kyllian
More Irish names
Oscar, Rowan, Rory, Maeve, Aiden, Ryan, Nolan, Quinn, Orla, Cody, Erin, Connor, Declan, Casey, Kennedy, Callan
Sources
Figures from Baby names in England and Wales (Office for National Statistics), Babies' first names (National Records of Scotland), Baby names (Northern Ireland Statistics and Research Agency) and Popular Baby Names (US Social Security Administration). Nameling last updated them on 20 October 2026. How the figures are worked out, and the data to download.
To cite this page: Nameling, “Kyllian: name meaning, origin and popularity”, https://www.nameling.co.uk/names/kyllian, updated 20 October 2026.