girl's name

Sian

  • Gender Girl
  • Syllables 2
  • Letters 4
  • Popularity Uncommon
  • Births on record 8,307

Northern Ireland

#519

2017 births

Sian is a girl's name with 2 syllables. In 2025 it was given to 31 babies in the United States. It is used consistently but remains uncommon.

  • Peaked in England and Wales in 1997, when 760 babies were given the name.
  • It has been falling over the past decade in England and Wales.
  • Today about 1 in 65,867 babies in England and Wales is given this name.
  • First appears in birth records in 1996.
  • 2 syllables, with the stress on syllable 2.

Sian 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.

2,730
'90 '00 '10 '20
Show the numbers
Births named Sian by decade in England and Wales
Decade Births
1990s 2,676
2000s 2,730
2010s 563
2020s (to 2025) 82

How popular is Sian?

In 2025, Sian was given to 8 babies in England and Wales. It is used consistently but remains uncommon.

Where Sian is used

Northern Ireland #519 3 in 2017
Scotland #621 5 in 2013
Ireland #834 4 in 2013
England & Wales #3,221 8 in 2025
Canada #3,295 5 in 2020
United States #4,098 31 in 2025
France #6,062 5 in 2025

The bar shows how near the top of each country's list the name sits, on a scale where #1 fills the row and #1,000 is a sliver. The figures beside it are the real rank and the babies recorded that year.

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 Sian

These names rose and fell in the same era, which is why they tend to sound like they belong together.

Parents who like Sian also like

Names whose popularity has risen and fallen in step with Sian over the last century — the same taste, a different name.

Sibling names for Sian

Names from the same era that won't rhyme or share an initial with Sian — the two things that make a sibling set grate.

Common questions about Sian

How popular is the name Sian?

In 2025, Sian was given to 8 babies in England and Wales. It is used consistently but remains uncommon.

Is Sian a girl's or a boy's name?

Sian is given almost entirely to girls in birth records.

How many syllables are in Sian?

Sian has 2 syllables.

When was Sian most popular?

Sian peaked in 1997, when 760 babies were given the name. It has been falling over the past decade.

Is Sian a good name?

That is not something records can settle, but they can tell you what you would be choosing. Sian currently ranks #3,221 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.