Ciaran Boy
How popular is Ciaran?
#1,609 boy name in 2025
105 baby boys were named Ciaran in the US in 2025, making it the 1609th most popular boy name. Another 5 girls got the name (#14,938 for girls).
2,201living people named Ciaran (est.)
15median age of people named Ciaran
2,233babies named Ciaran since 1880
1 in 30,139US babies born in 2025
Ciaran popularity over time
Boys Girls
| Rank in 2025 | #1,609 for boys (▲ 158 from 2024) |
|---|---|
| Babies in 2025 | 105 boys, 5 girls |
| 10-year trend | Rising (+42% babies vs 2015) |
| Earlier ranks | #1,955 in 2015, #2,046 in 2020 |
| Peak year | 2025 (105 boys) |
| Highest rank | #1,609 in 2025 |
| First recorded | 1959 |
| Boys vs girls (last 10 years) | 99% boys, 1% girls |
| Chance a classmate shares it | 0.1% in a class of 25 kids born in 2025 |
Where Ciaran is most popular
Babies named Ciaran per 1,000 boys born in each state, 2021 to 2025. Darker means more common.
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- Massachusetts: 0.2 per 1,000 (26 boys)
- New York: 0.1 per 1,000 (45 boys)
- Pennsylvania: 0.1 per 1,000 (26 boys)
- New Jersey: 0.1 per 1,000 (18 boys)
- Connecticut: 0.1 per 1,000 (5 boys)
Ciaran by decade
| Decade | Baby boys | Best rank |
|---|---|---|
| 1950s | 6 | #3,618 |
| 1960s | 10 | #4,135 |
| 1970s | 17 | #4,840 |
| 1980s | 62 | #3,440 |
| 1990s | 303 | #1,984 |
| 2000s | 609 | #1,838 |
| 2010s | 688 | #1,781 |
| 2020s | 503 | #1,609 |
Boy names about as popular as Ciaran
Questions
- Is Ciaran a boy or girl name?
- Ciaran is mostly a boy name. Over the last 10 years, 99% of babies named Ciaran were boys.
- How popular is the name Ciaran?
- 105 baby boys were named Ciaran in the US in 2025, making it the 1609th most popular boy name. Another 5 girls got the name (#14,938 for girls).
- When was Ciaran most popular?
- Ciaran peaked in 2025, when 105 boys were given the name. Its highest rank was #1,609 in 2025.
- How many people are named Ciaran?
- 2,233 babies have been named Ciaran in the US since 1880. We estimate about 2,201 of them are alive in 2026, with a median age of 15.
- Where is Ciaran most popular?
- From 2021 to 2025, Ciaran was most common in Massachusetts, at 0.2 of every 1,000 boys born there.
Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.