Kilyan
- Gender
- Boy
- Say it
- KIL-yan
- Origin
- Irish
- US rank, 2025
- #6,799 for boys
Kilyan is a boys' name of Irish origin. In 2025 it ranked 6,799th for boys in the US (12 babies).
What does Kilyan mean?
Irish: variant of Kilian, from Irish Cillian
Saint Kilian was a 7th-century Irish missionary martyred at Wurzburg, where he is the patron saint.
Is Kilyan a girl's or a boy's name?
Kilyan is a boys' name. In 2025, it was given to 12 boys in the US. Too few girls were given it to be listed.
How popular is Kilyan in the US?
- Rank in 2025
- #6,799among boys
- Babies in 2025
- 12about 1 in 140,000 boys
- Five-year trend
- Rising fastup 225% in five years
- Same name in a class
- under 1%chance among 15 boys
In 2025, 12 boys in the US were named Kilyan, making it the 6,799th most popular name for boys. Five years earlier, in 2020, it was 8,734th. Its busiest year was 2024, with 22 boys. It first appears in the records in 2015.
Half of all the boys named Kilyan in the US since 1880 were born between 2020 and 2024, the years shaded on the chart below.
Kilyan in the US, year by year
| Year | Boys | Rank |
|---|---|---|
| 2025 | 12 | #6,799 |
| 2024 | 22 | #4,567 |
| 2023 | 18 | #5,250 |
| 2022 | 10 | #7,762 |
| 2021 | 5 | #12,141 |
| 2020 | 8 | #8,734 |
| 2019 | 8 | #8,883 |
| 2018 | 0 | – |
| 2017 | 11 | #7,091 |
| 2016 | 0 | – |
| 2015 | 5 | #12,080 |
Names like Kilyan
Names given in the same years and the same naming tradition, with a similar sound.
Kayden Keegan Finnan Deegan Ronan Cassian Kian Brayden Finn Rogan Kyan Declan
Names related to Kilyan
More Irish names
Oscar Rowan Rory Maeve Aiden Ryan Nolan Quinn Orla Cody Erin Connor Casey Kennedy Callan Lennon
Sources
Figures from 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, “Kilyan: name meaning, origin and popularity”, https://www.nameling.co.uk/names/kilyan, updated 20 October 2026.