Siann
Girls' nameMeaning not yet documented
Siann has been given to 52 babies in the U.S. since 1998. It was used fewer than 5 times in 2025, so it doesn't appear in the latest year's list — today it's a genuinely uncommon pick. Its peak year was 2005, with 9 recorded.
Babies named Siann, 2008
1 in 786,000
Siann over time, 1880–2025
Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.
How common is Siann?
Siann had fewer than 5 recorded uses in 2025, so these figures use 2008, the last year it was published.
- Among all babies, 2008
- 1 in 786,000
- 5 of 3,930,727 births
- Among girls only
- 1 in 378,000
- <0.01% of girls
- Rank, 2008
- Unranked
- Fewer than 5 uses
- Coin-flip room size
- 544,916 kids
- Even odds of a second one
Where Siann sits on the popularity scale
Chance at least one other child shares the name
If the other children were drawn at random from the 2008 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.
Put another way: gather 544,916 children born in 2008 and it's an even bet that one of them is another Siann. In a class of 30 the chance is Under 1%.
When Sianns were born
Half of everyone ever recorded as Siann was born before 2005 — so the typical Siann is around 20 today.
- Biggest decade
- 2000s
- 73.1% of all use
- Born in the last 25 years
- 100.0%
- A modern name
- Recorded since 1950
- 52
- People you could plausibly meet
2000s — 73.1% of all recorded uses (38).
Is Siann rising or falling?
Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.
- Rank vs 1 year ago
- —
- Not ranked then
- Rank vs 5 years ago
- New entry
- Not ranked then
- Rank vs 10 years ago
- —
- Not ranked then
- Births vs 10 years ago
- —
- Not published both years
- Share of its own peak
- 0%
- Peak was 2005 (9)
- Years since peak
- 20
- Years
- Year-to-year steadiness
- Volatile
- 28.0% average annual change
Spellings of Siann
Siann is not the most common spelling — Diane is, with 23.1% against Siann's <0.01%.
Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.
Siann around the world
Where Siann ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.
- England & Wales1996–2010#5,707in 2010
- South Australia1976–2005#775in 2005
Popularity data from Office for National Statistics and Consumer and Business Services (South Australia). ONS data under Open Government Licence v3.0. CBS SA data under CC BY 4.0.
Siann by the numbers
The raw record for each sex the name is used for.
Names similar to Siann
Matched on shared beginnings and endings, similar length, and comparable popularity.
Sibling names for Siann
Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.