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Sianne

Girl name · Irish

US rank
Unranked
Syllables
1
Peak
#6,073 in 1998

0 babies were named Sianne in the US in 2025.

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Popularity: U.S. Social Security Administration (babies with 5+ births per year).

Did you know?

A few things about Sianne you might not know, from US birth records. Handy for convincing a partner, or a grandparent.

  • HistorySianne first shows up in US birth records in 1997, the first year at least 5 babies got it. It has been in use for 28 years since.
  • Best yearIts best year was 1998, when it reached #6,073.

About the name Sianne

Sianne is a girl name of Irish origin. It has 6 letters and 1 syllable, starting with S and ending in “-nne”. US birth records list Sianne for girls from 1997 to 2013, in 11 of those 17 years. Its best year was 1998, when it ranked #6,073 among girl names. It hasn't been given to 5 or more US babies in a year since 2013, so today it's a genuinely rare choice.

Origin:Irish names

Sianne for girls, by decade
DecadeBabies per millionAbout 1 in
1990s5.9170,455 girls
2000s3.2316,456 girls
2010s0.81,176,471 girls

More Irish girl names

Questions about the name Sianne

What is the origin of the name Sianne?

Sianne has Irish roots in our records. Other Irish names include Abigail, Riley, Maeve.

Is Sianne a boy or girl name?

Sianne is a girl name.

How popular is the name Sianne?

Sianne is rare: fewer than 5 US girls got it in 2025, and it was last given to 5 or more in 2013. It peaked at #6,073 in 1998.