Total births
31
Boys' name · since 2009
Sebastyn
31 babies named Sebastyn in U.S. Social Security records since 2009, with the highest year being 2011. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- 31
- total births
- 2009–2017
- years on record
- 2010s
- peak decade
- 81%
- born in that decade
Sebastyn is not among the current top-ranked boys names; 31 have been recorded since 2009.
According to the U.S. Social Security Administration, Sebastyn has been recorded 31 times among boys since 2009, though it is not among the currently most-used boys names, with its heaviest use in the 2010s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 2009 to 2017.
- 31 total births
- 2009–2017 years on record
- 2010s peak decade
- 81% born in that decade
Data updated Jul 2026
The verdict
31 boys have been named Sebastyn since 2009, peaking in the 2010s, last recorded in 2017.
- 31
- total births
- 2009–2017
- years on record
- 2010s
- peak decade
- 81%
- born in that decade
2010s
Peak decade
81% of everyone ever named Sebastyn was born in this single decade.
2011
Single peak year
9 babies were named Sebastyn in 2011 - its busiest year on record.
Sebastyn's usage pattern, beyond the headline number
Divide Sebastyn's SSA record in two at 2013 and the more recent half accounts for 52% of all births, the earlier half the remaining 48%, a genuinely balanced usage pattern. Its calmest year was 2013, with only 5 births recorded -- set against the 2011 peak of 9, that's the full swing in one name's fortunes.
Sebastyn at a glance
Last recorded 2017Peak year
2011
Current rank
Unranked
Active since
2009
Sebastyn popularity over time
Annual U.S. births registered with the Social Security Administration · 2009–2017
- Peak year (2011)
- 9
- Annual births at peak, across 9 years of records
Sebastyn by decade
Total births in each ten-year window, peak vs trough at a glance
2010s was Sebastyn's strongest decade.
25 babies received the name during that ten-year window, about 81% of all-time use.
Sebastyn births by decade
Total births in each ten-year window
- 2000s 6
2000s
6 births
- 2010s
2010s
25 births
What this shows Peak: 2010s at 25 births (81% of all-time use).
Frequently Asked Questions
How popular is the name Sebastyn? ▼
Sebastyn has been given to 31 babies in the U.S. since 2009, according to SSA data. Its last appearance in the data was 2017. 9 babies were born in 2011, its single highest year.
When was Sebastyn most popular? ▼
Sebastyn was most popular in the 2010s decade with 25 total births. The single peak year was 2011.
How long has the name Sebastyn been used? ▼
Sebastyn has been recorded in Social Security data since 2009, spanning 9 years of data through 2017.
What names are similar to Sebastyn? ▼
Names with a similar sound or spelling include Sebastian, Sebastien, Sebastiano, Sebastion, and 4 more. These share a common prefix and are also used for boys.
Keep exploring Sebastyn
Nearby Names Like Sebastyn
Names with a similar sound, spelling, or feel to Sebastyn
Sebastian Boy
#14 218,055 births
Sebastien Boy
#1844 4,057 births
Sebastiano Boy
#5261 1,005 births
Sebastion Boy
#5100 937 births
Sebastain Boy
#10012 510 births
Compare Sebastyn side by side: Sebastyn vs Sebastian Sebastyn vs Sebastien Sebastyn vs Sebastiano
Related Names
Names with a similar number of total births
Data Sources
Data as of July 2026. Source: U.S. Social Security Administration (SSA).
According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.
Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 2009–2017 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Sebastyn: Baby Name Since 2009 - 31 Births, Peak 2011." NameAlmanac. Accessed via https://namealmanac.com/name/sebastyn. Licensed CC BY-SA 4.0.
Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Sebastyn draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of July 2026.