Sebastien Boy
How popular is Sebastien?
#2,451 boy name in 2025
55 baby boys were named Sebastien in the US in 2025, making it the 2451st most popular boy name.
Sebastien popularity over time
| Rank in 2025 | #2,451 for boys (▼ 618 from 2024) |
|---|---|
| Babies in 2025 | 55 boys |
| 10-year trend | Falling fast (-57% babies vs 2015) |
| Earlier ranks | #1,353 in 2015, #2,291 in 2020 |
| Peak year | 2007 (178 boys) |
| Highest rank | #1,019 in 2001 |
| First recorded | 1971 |
| Boys vs girls (last 10 years) | 100% boys, 0% girls |
| Chance a classmate shares it | 0.0% in a class of 25 kids born in 2025 |
Sebastien counting every spelling
Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Sebastian family of names ranked #19 for boys in 2025 (#20 the year before), with 8,679 babies in all.
| Spelling | Boys in 2025 | Share |
|---|---|---|
| Sebastian | 8,605 | 99% |
| Sebastien | 55 | 1% |
| Sebastion | 19 | 0% |
Spellings are grouped by how they sound, using our own rules, so a few groupings may not match how your family says the name.
Where Sebastien is most popular
Babies named Sebastien per 1,000 boys born in each state, 2021 to 2025. Darker means more common.
- District of Columbia: 0.3 per 1,000 (5 boys)
- Florida: 0.1 per 1,000 (43 boys)
- Nevada: 0.1 per 1,000 (5 boys)
- New York: 0.1 per 1,000 (31 boys)
- Washington: 0.1 per 1,000 (10 boys)
Sebastien by decade
| Decade | Baby boys | Best rank |
|---|---|---|
| 1970s | 65 | #2,971 |
| 1980s | 169 | #2,097 |
| 1990s | 577 | #1,266 |
| 2000s | 1,526 | #1,019 |
| 2010s | 1,220 | #1,162 |
| 2020s | 500 | #1,611 |
Boy names about as popular as Sebastien
Questions
- Is Sebastien a boy or girl name?
- Sebastien is mostly a boy name. Over the last 10 years, 100% of babies named Sebastien were boys.
- How popular is the name Sebastien?
- 55 baby boys were named Sebastien in the US in 2025, making it the 2451st most popular boy name.
- When was Sebastien most popular?
- Sebastien peaked in 2007, when 178 boys were given the name. Its highest rank was #1,019 in 2001.
- How many people are named Sebastien?
- 4,057 babies have been named Sebastien in the US since 1880. We estimate about 3,993 of them are alive in 2026, with a median age of 18.
- Where is Sebastien most popular?
- From 2021 to 2025, Sebastien was most common in District of Columbia, at 0.3 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.