Cillian
7 lettersMale #507 · 595 reported
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US name popularity
Cillian name popularity
In the 2025 US Social Security baby-name data, Cillian ranks #507 in male records (595 reported). These figures count this exact spelling separately.
US national data through 2025 · Source retrieved
Data updated
Key facts
- 2025 female rank and count
- No published 2025 observation. A missing observation is not zero.
- 2025 male rank and count
- #507 · 595 reported
- 1-year change, since 2024 (male)
- Count decreased by 73 male records (668 to 595); rank moved from #463 to #507.
- 5-year change, since 2021 (male)
- Count increased by 254 male records (341 to 595); rank moved from #747 to #507.
- Peak year in available data
- 2024: 668 male records, the highest published count in 2016–2025.
Is Cillian becoming more popular?
Cillian's reported male count decreased by 73 from 2024 to 2025. Its rank changed from #463 to #507. This is an observed US comparison, not a forecast.
The 2025 file has no published female observation for Cillian. That is not a count of zero.
Cillian in US records, 2016–2025
Annual published counts for the exact spelling. A lower rank number means a higher position in that year’s file.
View all annual counts and ranks
| Year | Female count | Female rank | Male count | Male rank |
|---|---|---|---|---|
| 2025 | — | — | 595 | 507 |
| 2024 | 6 | 13,845 | 668 | 463 |
| 2023 | — | — | 477 | 594 |
| 2022 | — | — | 353 | 736 |
| 2021 | — | — | 341 | 747 |
| 2020 | — | — | 228 | 957 |
| 2019 | — | — | 186 | 1,078 |
| 2018 | — | — | 193 | 1,052 |
| 2017 | — | — | 170 | 1,126 |
| 2016 | — | — | 177 | 1,107 |
Questions about Cillian’s popularity
How common is Cillian in the US?
In the 2025 US Social Security baby-name data, Cillian ranks #507 in male records (595 reported). These figures count this exact spelling separately. The rank describes its position among names in this national file; it does not estimate how many children in a particular classroom will share it.
Does this include other spellings of Cillian?
No. The SSA counts each exact spelling separately. The table and download on this page include Cillian only.
Can I compare this name with my partner?
Use Save or Maybe above to start a device shortlist. Create separate accounts and connect them to see each other’s saved names and maybes. Both saving Cillian creates a match.
Download Cillian’s annual counts and ranks (CSV) · Sources and calculation details
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