Meaning & origin
A reliable meaning for Sebastain isn’t established in our sources yet. Rather than guess, we show what is recorded: how the name is used, how often, and the names it’s connected to.
The story
Published U.S. birth records include this spelling as early as 1918. This is the earliest published observation available here, rather than a date for the name’s origin.
From dated birth records
Sebastain through the years
- Babies since 1880
- 510
- 510 boys · 0 girls
- Most popular year
- 2002
- 24 babies
- 2025
- 9
- #8,791 for boys
- 2021–25 vs 2016–20
- +6%
- Steady
By the numbers
In 2025, this name appeared in 9 U.S. birth records for boys, ranking No. 8,791 among boys’ names. Average annual use for boys was 6.1% higher in 2021–2025 than in 2016–2020. Its largest published annual count for boys was 24 in 2002. Published U.S. population figures for this spelling include 572 as a first name in 2020.
From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.
Sebastain’s family of names
In English usage, Sebastain has a conventional equivalent in the German form Sebastian.
The ring: across languages.
Across languages 1
Equivalents and cognates in other languages, plus older forms it grew from.
Similar names
If you love Sebastain, these share its style, era, origin or sound, from outside its own family.
Cesar
“an emperor; having a full head of hair”
>99% boys
Agustin
“one who is venerable; majestic”
>99% boys
Seth
“one who has been appointed”
>99% boys
Ernesto
“one who is sincere and determined; serious”
>99% boys
Semaj
Semaj is a masculine given name.
84% boys · 16% girls
Esteban
“one who is crowned in victory”
>99% boys
Sergio
“an attendant; a servant”
>99% boys
Enrique
“the ruler of the estate”
>99% boys