Sebastien
Boy name · #2463 in 2025 · Very rare
How old is the name Sebastien? In official American birth records, Sebastien has been tracked continuously since 1971, giving it 54 years of documented American history.
In 2025, 55 baby boys were named Sebastien, placing it at #2463 in the official national rankings. A decade ago it stood at #1353, so the name has been falling over the past ten years. Roughly one in every 32,727 boys born in 2025 was named Sebastien.
Babies named Sebastien per year. Source: Official national birth records.
The 54-year story
Sebastien first appears in the Social Security records in 1971, when 11 boys received the name. Its peak came in 2007, when 178 boys were named Sebastien — good for #1053 that year. Today's parents encounter it on its way down the popularity curve, which for many parents is exactly the appeal. Following the curve matters more than today's snapshot: a name's position on its rise-peak-decline arc is the best predictor of how common it will feel in a kindergarten class five years from now.
Unlock the 5-year forecast and compare Sebastien against up to 5 other names.
Uniqueness: will there be another Sebastien in class?
On our rarity read — which blends how common Sebastien is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Sebastien will likely be the only one in the room, with the occasional spelling-out as the price.
Where Sebastien is most common
State-level data for Sebastien is too sparse in 2025 to rank by rate — in most states its count falls below the SSA's per-state reporting threshold (counts under 5 are withheld).
Names like Sebastien
Statistically, parents drawn to Sebastien tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Adrien, Sabastian, Kamren, Camren, and Zavien.
AdrienSabastianKamrenCamrenZavienSiddharthGraydenBraiden
Rank history (last 25 years)
| Year | Babies named Sebastien | Rank |
|---|---|---|
| 2025 | 55 | #2451 |
| 2024 | 88 | #1833 |
| 2023 | 97 | #1718 |
| 2022 | 108 | #1611 |
| 2021 | 93 | #1740 |
| 2020 | 59 | #2292 |
| 2019 | 87 | #1777 |
| 2018 | 107 | #1565 |
| 2017 | 103 | #1575 |
| 2016 | 118 | #1456 |
| 2015 | 129 | #1353 |
| 2014 | 134 | #1313 |
| 2013 | 155 | #1162 |
| 2012 | 116 | #1428 |
| 2011 | 138 | #1250 |
| 2010 | 133 | #1292 |
| 2009 | 142 | #1250 |
| 2008 | 174 | #1074 |
| 2007 | 178 | #1053 |
| 2006 | 171 | #1049 |
| 2005 | 156 | #1062 |
| 2004 | 154 | #1049 |
| 2003 | 150 | #1041 |
| 2002 | 142 | #1064 |
| 2001 | 145 | #1020 |
Frequently asked questions
How old is the name Sebastien?
In official American birth records, the name Sebastien first appeared in 1971 (over 54 years ago), when 11 newborn boys received the name. It has been tracked in modern national records for 54 years.
Is Sebastien a popular boy name?
Sebastien ranked #2463 among boys in 2025 with 55 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #1353.
When was the name Sebastien most popular?
Sebastien peaked in 2007, when 178 American boys received the name (ranked #1053 that year). Since 2007 the name has declined from that high.
How rare is the name Sebastien?
In 2025, roughly 1 in 32,727 newborn American boys was named Sebastien. On our rarity scale (rarity blended with momentum) we classify it as "very rare".
Data source: Official American birth records, 1880–2025, national and state files. Counts reflect registered birth records for American families.