Sebastyen
Boys' nameMeaning not yet documented
Sebastyen has been given to 10 babies in the U.S. since 2003. It was used fewer than 5 times in 2025, so it doesn't appear in the latest year's list — today it's a genuinely uncommon pick. Its peak year was 2003, with 5 recorded.
Babies named Sebastyen, 2006
1 in 791,000
Sebastyen over time, 1880–2025
Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.
How common is Sebastyen?
Sebastyen had fewer than 5 recorded uses in 2025, so these figures use 2006, the last year it was published.
- Among all babies, 2006
- 1 in 791,000
- 5 of 3,956,166 births
- Among boys only
- 1 in 411,000
- <0.01% of boys
- Rank, 2006
- Unranked
- Fewer than 5 uses
- Coin-flip room size
- 548,442 kids
- Even odds of a second one
Where Sebastyen sits on the popularity scale
Chance at least one other child shares the name
If the other children were drawn at random from the 2006 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.
Put another way: gather 548,442 children born in 2006 and it's an even bet that one of them is another Sebastyen. In a class of 30 the chance is Under 1%.
When Sebastyens were born
Half of everyone ever recorded as Sebastyen was born before 2003 — so the typical Sebastyen is around 22 today.
- Biggest decade
- 2000s
- 100.0% of all use
- Born in the last 25 years
- 100.0%
- A modern name
- Recorded since 1950
- 10
- People you could plausibly meet
2000s — 100.0% of all recorded uses (10).
Is Sebastyen rising or falling?
Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.
- Rank vs 1 year ago
- —
- Not ranked then
- Rank vs 5 years ago
- New entry
- Not ranked then
- Rank vs 10 years ago
- —
- Not ranked then
- Births vs 10 years ago
- —
- Not published both years
- Share of its own peak
- 0%
- Peak was 2003 (5)
- Years since peak
- 22
- Years
- Year-to-year steadiness
- Not enough data
- Too few years
Spellings of Sebastyen
Sebastyen is not the most common spelling — Sebastian is, with 97.5% against Sebastyen's <0.01%.
Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.
Sebastyen around the world
Where Sebastyen ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.
- South Australia2011–2011#784in 2011
Popularity data from Consumer and Business Services (South Australia). CBS SA data under CC BY 4.0.
Sebastyen by the numbers
The raw record for each sex the name is used for.
Names similar to Sebastyen
Matched on shared beginnings and endings, similar length, and comparable popularity.
Sibling names for Sebastyen
Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.