Siena
Girl name · #610 in 2025 · Uniqueness 55/100
Siena ranks #610 among American girls' names as of 2025, with 479 newborns given the name that year. A decade ago it stood at #641, so the name has been rising over the past ten years. Roughly one in every 3,758 girls born in 2025 was named Siena.
The 60-year story
Siena first appears in the Social Security records in 1965, when 5 girls received the name. Its peak came in 2018, when 496 girls were named Siena — good for #611 that year. Today's parents encounter it on its way down the popularity curve, which for many parents is exactly the appeal. 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 Siena per year, 1880–2025. Source: SSA.
Unlock the 5-year forecast and compare Siena against up to 5 other names.
Uniqueness: will there be another Siena in class?
Siena scores 55 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 Siena is most common
Geography matters for names, and Siena is no exception. In 2025 the states with the most Sienas were CA (69), NY (46), FL (44), TX (37), PA (30). Raw counts naturally favor populous states, but the spread still hints at where the name is part of the local naming culture.
Names like Siena
Statistically, parents drawn to Siena tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Aleena, Jimena, Alena, Leena, and Milena.
AleenaJimenaAlenaLeenaMilenaHelenaFionaIvanna
Rank history (last 25 years)
| Year | Babies named Siena | Rank |
|---|---|---|
| 2025 | 479 | #610 |
| 2024 | 467 | #632 |
| 2023 | 444 | #663 |
| 2022 | 407 | #720 |
| 2021 | 488 | #611 |
| 2020 | 454 | #638 |
| 2019 | 486 | #619 |
| 2018 | 496 | #611 |
| 2017 | 455 | #651 |
| 2016 | 476 | #630 |
| 2015 | 445 | #641 |
| 2014 | 406 | #695 |
| 2013 | 411 | #689 |
| 2012 | 454 | #629 |
| 2011 | 475 | #604 |
| 2010 | 485 | #607 |
| 2009 | 481 | #627 |
| 2008 | 475 | #649 |
| 2007 | 452 | #657 |
| 2006 | 455 | #631 |
| 2005 | 293 | #863 |
| 2004 | 182 | #1220 |
| 2003 | 146 | #1375 |
| 2002 | 155 | #1268 |
| 2001 | 129 | #1458 |
Frequently asked questions
Is Siena a popular girl name?
Siena ranked #610 among girls in 2025 with 479 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #641.
When was the name Siena most popular?
Siena peaked in 2018, when 496 American girls received the name (ranked #611 that year). Since 2018 the name has recovered some ground.
How rare is the name Siena?
In 2025, roughly 1 in 3,758 newborn American girls was named Siena. It scores 55/100 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.