Siena
Girl name · #610 in 2025 · Rare
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. Source: SSA.
Unlock the 5-year forecast and compare Siena against up to 5 other names.
Uniqueness: will there be another Siena in class?
On our rarity read — which blends how common Siena is today with its five-year momentum — the name reads as "rare". A high score means genuine rarity — your Siena will likely be the only one in the room, with the occasional spelling-out as the price.
Where Siena is most common
Geography matters for names, and Siena is no exception. Adjusted for how many girls are born in each state, Siena is most common in CT (1.7 per 1,000), MA (0.9 per 1,000), NJ (0.7 per 1,000), PA (0.6 per 1,000), WI (0.6 per 1,000) — against a national average of about 0.4 per 1,000 girls. These are per-capita rates, so they show where Siena is a genuine regional favorite rather than just where the most babies are born.
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. On our rarity scale (rarity blended with momentum) we classify it as "rare".
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.