Siannah
- US rank
- Unranked
- Syllables
- 2
- Peak
- #12,420 in 2006
0 babies were named Siannah in the US in 2025.
Found on lists
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US births per million girls, 2006–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Siannah you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- HistorySiannah first shows up in US birth records in 2006, the first year at least 5 babies got it. That makes it a fairly new name, younger than many of today's parents.
- Best yearIts best year was 2006, when it reached #12,420.
About the name Siannah
Siannah is a girl name of Irish origin. It has 7 letters and 2 syllables, starting with S and ending in “-nah”. US birth records list Siannah for girls from 2006 to 2010, in 4 of those 5 years. Its best year was 2006, when it ranked #12,420 among girl names. It hasn't been given to 5 or more US babies in a year since 2010, so today it's a genuinely rare choice.
Origin:Irish names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 2000s | 2.8 | 363,636 girls |
| 2010s | 2.8 | 357,143 girls |
More Irish girl names
- Girl name: Abigail · my father is joy
- Unisex name: Riley · rye clearing
- Girl name: Maeve · she who intoxicates
- Unisex name: Kennedy · helmeted head
- Unisex name: Rylee · rye clearing
- Unisex name: Sloane · raider
- Unisex name: Alani · orange tree
- Girl name: Everleigh · boar clearing
Questions about the name Siannah
What is the origin of the name Siannah?
Siannah has Irish roots in our records. Other Irish names include Abigail, Riley, Maeve.
Is Siannah a boy or girl name?
Siannah is a girl name.
How popular is the name Siannah?
Siannah is rare: fewer than 5 US girls got it in 2025, and it was last given to 5 or more in 2010. It peaked at #12,420 in 2006.