boy's name
Sebastiao
seh-bash-tee-OWN (Portuguese)
- Gender Boy
- Syllables 4
- Letters 9
- Popularity Rare
- Births on record 45
Sebastiao is a boy's name with 4 syllables. In 2025 it was given to 3 babies in England and Wales. It is a rare choice.
- Peaked in England and Wales in 2010, when 4 babies were given the name.
- Its usage has held steady over the past decade in England and Wales.
- Today about 1 in 175,654 babies in England and Wales is given this name.
- First appears in birth records in 2010.
- 4 syllables, with the stress on syllable 4.
Sebastiao Over Time
Births per decade in England and Wales, 2010s to 2020s. The striped bar is the 2020s, which so far covers 2020 to 2025.
Show the numbers
| Decade | Births |
|---|---|
| 2010s | 19 |
| 2020s (to 2025) | 6 |
How Popular Is Sebastiao?
In 2025, Sebastiao was given to 3 babies in England and Wales. It is a rare choice.
Where Sebastiao Is Used
Figures for England and Wales leave out any name given to fewer than three babies in a year, so a gap means the name fell below that floor rather than went unused. Data & sources.
Names That Peaked Alongside Sebastiao
These names rose and fell in the same era, which is why they tend to sound like they belong together.
Parents Who Like Sebastiao Also Like
Names whose popularity has risen and fallen in step with Sebastiao over the last century — the same taste, a different name.
How to Say Sebastiao
- Portuguese seh-bash-tee-OWN
Sibling Names for Sebastiao
Names from the same era that do not rhyme or share an initial with Sebastiao — the two things that make a sibling set grate.
Common Questions About Sebastiao
How popular is the name Sebastiao?
In 2025, Sebastiao was given to 3 babies in England and Wales. It is a rare choice.
Is Sebastiao a girl's or a boy's name?
Sebastiao is given almost entirely to boys in birth records.
How many syllables are in Sebastiao?
Sebastiao has 4 syllables.
When was Sebastiao most popular?
Sebastiao peaked in 2010, when 4 babies were given the name. Its usage has held steady over the past decade.
Is Sebastiao a good name?
That is not something records can settle, but they can tell you what you would be choosing. Sebastiao currently ranks #5,563 in England and Wales. Its usage has held steady over the past decade. Everything else — how it sounds with your surname, who it reminds you of — is yours.