Sianni
Girl name · #1629 in 2025 · Uniqueness 37/100
In 2025, 128 baby girls were named Sianni, placing it at #1629 in the official national rankings. It has appeared in the national data since 1996. Roughly one in every 14,063 girls born in 2025 was named Sianni.
The 29-year story
Sianni first appears in the Social Security records in 1996, when 7 girls received the name. Its all-time peak is essentially right now: 2025, with 128 babies and a rank of #1622. Names at their peak can keep climbing — or be one trend cycle from the long slide that eventually hits most popular names. Following the curve matters more than today's snapshot: a name's position on its rise-peak-decline arc is the best predictor of how common it will feel in a kindergarten class five years from now.
Babies named Sianni per year, 1880–2025. Source: SSA.
Unlock the 5-year forecast and compare Sianni against up to 5 other names.
Uniqueness: will there be another Sianni in class?
Sianni scores 37 out of 100 on our uniqueness scale, which blends current rarity with five-year momentum — putting it in the "distinctive" band. That middle band is the sweet spot many parents hunt for: recognizable without being everywhere.
Where Sianni is most common
Geography matters for names, and Sianni is no exception. In 2025 the states with the most Siannis were TX (16), FL (12), NC (9), CA (8), GA (7). Raw counts naturally favor populous states, but the spread still hints at where the name is part of the local naming culture.
Names like Sianni
Statistically, parents drawn to Sianni tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Solani, Savani, Aylanni, Xianni, and Ailanni.
SolaniSavaniAylanniXianniAilanniCimaniRumaniNailani
Rank history (last 25 years)
| Year | Babies named Sianni | Rank |
|---|---|---|
| 2025 | 128 | #1622 |
| 2024 | 113 | #1779 |
| 2023 | 30 | #4565 |
| 2022 | 19 | #6229 |
| 2021 | 17 | #6691 |
| 2020 | 23 | #5314 |
| 2019 | 13 | #8138 |
| 2018 | 8 | #11427 |
| 2017 | 6 | #14124 |
| 2016 | 10 | #10113 |
| 2014 | 5 | #16513 |
| 2012 | 8 | #12199 |
| 2011 | 8 | #12153 |
| 2010 | 6 | #14959 |
| 2009 | 13 | #8888 |
| 2008 | 12 | #9476 |
| 2007 | 9 | #11630 |
| 2006 | 15 | #7868 |
| 2005 | 18 | #6528 |
| 2004 | 13 | #8259 |
| 2003 | 15 | #7207 |
| 2002 | 20 | #5673 |
| 2001 | 19 | #5822 |
| 2000 | 13 | #7580 |
| 1999 | 14 | #6836 |
Frequently asked questions
Is Sianni a popular girl name?
Sianni ranked #1629 among girls in 2025 with 128 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked outside the reported range.
When was the name Sianni most popular?
Sianni peaked in 2025, when 128 American girls received the name (ranked #1622 that year). That peak is current — the name is at or near its all-time high right now.
How rare is the name Sianni?
In 2025, roughly 1 in 14,063 newborn American girls was named Sianni. It scores 37/100 on our uniqueness scale (rarity blended with momentum), which we classify as "distinctive".
Data source: U.S. Social Security Administration name statistics, 1880–2025, national and state files. Counts reflect Social Security card applications; names with fewer than 5 occurrences in a state-year are suppressed by the SSA.