Una
Girl name · #3214 in 2025 · Very rare
How old is the name Una? In official American birth records, Una has been tracked continuously since 1880, giving it 145 years of documented American history.
Una is currently the #3214 girl name in the United States — 49 babies received it in 2025. A decade ago it stood at #3478, so the name has been rising over the past ten years. Put differently, about 1 of every 36,735 American girls born in 2025 carries the name.
The 145-year story
Una first appears in the Social Security records in 1880, when 10 girls received the name. Its peak came in 1921, when 217 girls were named Una — good for #466 that year. Today's parents encounter it as a name from their grandparents’ generation, which is precisely the vintage window from which names get revived. 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 Una per year. Source: Official national birth records.
Unlock the 5-year forecast and compare Una against up to 5 other names.
Uniqueness: will there be another Una in class?
On our rarity read — which blends how common Una is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Una will likely be the only one in the room, with the occasional spelling-out as the price.
Where Una is most common
State-level data for Una 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 Una
Statistically, parents drawn to Una tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Iona, Ena, Verena, Ina, and Neva.
IonaEnaVerenaInaNevaLavinaMaidaEra
Rank history (last 25 years)
| Year | Babies named Una | Rank |
|---|---|---|
| 2025 | 49 | #3211 |
| 2024 | 55 | #2976 |
| 2023 | 48 | #3329 |
| 2022 | 63 | #2720 |
| 2021 | 48 | #3297 |
| 2020 | 62 | #2682 |
| 2019 | 59 | #2814 |
| 2018 | 53 | #3050 |
| 2017 | 46 | #3387 |
| 2016 | 60 | #2829 |
| 2015 | 45 | #3478 |
| 2014 | 45 | #3486 |
| 2013 | 40 | #3778 |
| 2012 | 33 | #4387 |
| 2011 | 34 | #4244 |
| 2010 | 26 | #5247 |
| 2009 | 32 | #4571 |
| 2008 | 38 | #4089 |
| 2007 | 39 | #3983 |
| 2006 | 26 | #5233 |
| 2005 | 40 | #3646 |
| 2004 | 21 | #5744 |
| 2003 | 26 | #4804 |
| 2002 | 21 | #5444 |
| 2001 | 30 | #4107 |
Frequently asked questions
How old is the name Una?
In official American birth records, the name Una first appeared in 1880 (over 145 years ago), when 10 newborn girls received the name. It has over a century of continuous American history.
Is Una a popular girl name?
Una ranked #3214 among girls in 2025 with 49 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #3478.
When was the name Una most popular?
Una peaked in 1921, when 217 American girls received the name (ranked #466 that year). Since 1921 the name has declined from that high.
How rare is the name Una?
In 2025, roughly 1 in 36,735 newborn American girls was named Una. 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.