unisex name
Siwan
- Origin Welsh
- Gender Unisex
- Letters 5
- Popularity Rare
- Births on record 278
Siwan is a unisex name. It is given to both girls and boys — about 73% of recorded births with this name are girls. In 2025 it was given to 3 babies in England and Wales. It is a rare choice.
- Siwan is a name of Welsh origin.
- Peaked in England and Wales in 2001, when 16 babies were given the name.
- It has been falling 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 1996.
Siwan over time
Births per decade in England and Wales, 1990s to 2020s. The striped bar is the 2020s, still in progress — it covers 2020 to 2025, not a full ten years.
Show the numbers
| Decade | Births |
|---|---|
| 1990s | 35 |
| 2000s | 90 |
| 2010s | 57 |
| 2020s (to 2025) | 16 |
How popular is Siwan?
In 2025, Siwan was given to 3 babies in England and Wales. It is a rare choice.
Where Siwan is used
Figures for England and Wales withhold 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 Siwan
These names rose and fell in the same era, which is why they tend to sound like they belong together.
Parents who like Siwan also like
Names whose popularity has risen and fallen in step with Siwan over the last century — the same taste, a different name.
Sibling names for Siwan
Names from the same era that won't rhyme or share an initial with Siwan — the two things that make a sibling set grate.
Common questions about Siwan
How popular is the name Siwan?
In 2025, Siwan was given to 3 babies in England and Wales. It is a rare choice.
Is Siwan a girl's or a boy's name?
Siwan is used for both girls and boys. About 73% of recorded births with this name are girls.
When was Siwan most popular?
Siwan peaked in 2001, when 16 babies were given the name. It has been falling over the past decade.
Is Siwan a good name?
That is not something records can settle, but they can tell you what you would be choosing. Siwan currently ranks #6,485 in England and Wales. It has been falling over the past decade. Everything else — how it sounds with your surname, who it reminds you of — is yours.