Zosia
Girl name · #4144 in 2025 · Very rare
How old is the name Zosia? In official American birth records, Zosia has been tracked continuously since 1997, giving it 28 years of documented American history.
Zosia is currently the #4144 girl name in the United States — 35 babies received it in 2025. A decade ago it stood at #6977, so the name has been rising over the past ten years. Roughly one in every 51,429 girls born in 2025 was named Zosia.
The 28-year story
Zosia first appears in the Social Security records in 1997, when 6 girls received the name. Its all-time peak is essentially right now: 2022, with 44 babies and a rank of #3536. 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 Zosia per year. Source: Official national birth records.
Unlock the 5-year forecast and compare Zosia against up to 5 other names.
Uniqueness: will there be another Zosia in class?
On our rarity read — which blends how common Zosia is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Zosia will likely be the only one in the room, with the occasional spelling-out as the price.
Where Zosia is most common
State-level data for Zosia is too sparse in 2025 to rank by rate — in most states its count falls below the SSA's per-state reporting threshold (counts under 5 are withheld).
Names like Zosia
Statistically, parents drawn to Zosia tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Zalia, Zelia, Galia, Zaiya, and Xylia.
ZaliaZeliaGaliaZaiyaXyliaXariaNaliaHadia
Rank history (last 25 years)
| Year | Babies named Zosia | Rank |
|---|---|---|
| 2025 | 35 | #4067 |
| 2024 | 31 | #4473 |
| 2023 | 33 | #4276 |
| 2022 | 44 | #3536 |
| 2021 | 28 | #4719 |
| 2020 | 25 | #5003 |
| 2019 | 19 | #6176 |
| 2018 | 19 | #6248 |
| 2017 | 25 | #5191 |
| 2016 | 19 | #6401 |
| 2015 | 17 | #6977 |
| 2014 | 27 | #5025 |
| 2013 | 24 | #5486 |
| 2012 | 18 | #6872 |
| 2011 | 16 | #7436 |
| 2010 | 9 | #11246 |
| 2009 | 9 | #11459 |
| 2008 | 18 | #7073 |
| 2007 | 14 | #8520 |
| 2006 | 16 | #7482 |
| 2005 | 11 | #9452 |
| 2004 | 11 | #9264 |
| 2003 | 8 | #11325 |
| 2002 | 6 | #13595 |
| 2000 | 10 | #9163 |
Frequently asked questions
How old is the name Zosia?
In official American birth records, the name Zosia first appeared in 1997 (over 28 years ago), when 6 newborn girls received the name. It has been tracked in modern national records for 28 years.
Is Zosia a popular girl name?
Zosia ranked #4144 among girls in 2025 with 35 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #6977.
When was the name Zosia most popular?
Zosia peaked in 2022, when 44 American girls received the name (ranked #3536 that year). That peak is current — the name is at or near its all-time high right now.
How rare is the name Zosia?
In 2025, roughly 1 in 51,429 newborn American girls was named Zosia. On our rarity scale (rarity blended with momentum) we classify it as "very rare".
Data source: Official American birth records, 1880–2025, national and state files. Counts reflect registered birth records for American families.