girl's name
Sia
- Origin Greek
- Gender Girl
- Letters 3
- Popularity Uncommon
- Births on record 5,060
Canada
#366
2024 births
Sia is a girl's name. In 2025 it was given to 215 babies in the United States. It is used consistently but remains uncommon.
- Sia is a name of Greek origin.
- Peaked in 2025, when 215 babies were given the name.
- It has been rising over the past decade.
- Today about 1 in 15,420 babies in the United States is given this name.
- First appears in US birth records in 1968.
Sia over time
Births per decade in the United States, 1960s 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 |
|---|---|
| 1960s | 9 |
| 1970s | 57 |
| 1980s | 103 |
| 1990s | 126 |
| 2000s | 355 |
| 2010s | 1,026 |
| 2020s (to 2025) | 1,119 |
How popular is Sia?
In 2025, Sia was given to 215 babies in the United States. It is used consistently but remains uncommon.
Where Sia is used
US figures omit any name given to fewer than five babies in a year, so the rarest names are absent from the source rather than absent from use. Data & sources.
How Sia is spelled
Birth registers count each spelling separately, so every one has its own ranking.
| Spelling | What it is | Births on record |
|---|---|---|
| Sïa | Sïa is a rare spelling of Sia, written with a diaeresis and recorded about 65 times, mostly in France. | 65 |
Names that peaked alongside Sia
These names rose and fell in the same era, which is why they tend to sound like they belong together.
Parents who like Sia also like
Names whose popularity has risen and fallen in step with Sia over the last century — the same taste, a different name.
Sibling names for Sia
Names from the same era that won't rhyme or share an initial with Sia — the two things that make a sibling set grate.
Common questions about Sia
How popular is the name Sia?
In 2025, Sia was given to 215 babies in the United States. It is used consistently but remains uncommon.
Is Sia a girl's or a boy's name?
Sia is given almost entirely to girls in birth records.
When was Sia most popular?
Sia peaked in 2025, when 215 babies were given the name. It has been rising over the past decade.
Is Sia a good name?
That is not something records can settle, but they can tell you what you would be choosing. Sia currently ranks #366 in the United States. It has been rising over the past decade. Everything else — how it sounds with your surname, who it reminds you of — is yours.