Una
Una was the 3245th most popular name for girls in 2025, given to 49 babies. Its best year was 1890, when it ranked 331st; the most babies were born in 1921 (217). Over the last ten years it has moved up 281 places. More babies were named Una in the 1920s than in any other decade.
Meaning Not yet researched how we research meanings
- Rank in 2025
- #3,245 girls, down 535 places since 2020
- Babies in 2025
- 49girls
- Girls and boys
- Almost always a girl’s name2021–2025
- Peak year
- 1921217 babies
- Total since 1880
- 8,108babies recorded
Una popularity since 1880
| Year | Rank (girls) | Babies (girls) |
|---|---|---|
| 2025 | #3,245 | 49 |
| 2020 | #2,710 | 62 |
| 2010 | #5,402 | 26 |
| 2000 | #4,520 | 27 |
| 1990 | #6,855 | 13 |
| 1980 | #5,532 | 13 |
| 1970 | #2,643 | 28 |
| 1960 | #1,787 | 41 |
| 1950 | #1,408 | 43 |
| 1940 | #725 | 93 |
| 1930 | #616 | 126 |
| 1920 | #501 | 191 |
| 1910 | #485 | 71 |
| 1900 | #398 | 70 |
| 1890 | #331 | 59 |
| 1880 | #578 | 10 |
How popular is Una, counting every spelling?
Una is a spelling of Oona, a name family that ranked #1,513 for girls in 2025 once every spelling is counted together, compared with #3,245 for Una on its own. Together these spellings went to 123 girls in 2025.
| Spelling | Babies 2025 | Official rank | Babies 2021–2025 |
|---|---|---|---|
| Oona | 62 | #2,768 | 386 |
| Una | 49 | #3,245 | 263 |
| Onna | 12 | #8,736 | 55 |
Spellings count together when they sound the same in American English and are used for the same sex; nicknames and forms that sound different (such as Theo and Theodore) are kept apart. How we group spellings.
How many kids will share the name Una?
49 of the 3,606,400 babies born in the US in 2025 were named Una (0.01 per 1,000 births). For a girl named Una born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 171 (of 430 pupils) would have a child named Una.
Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.
How old are people named Una?
About 2,600 people born in the US named Una are alive today, with a median age of 48; half are between 13 and 73. That makes Una mostly worn by adults in their thirties to fifties. The wide spread shows a name popular in two different eras.
Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.
Una by state
How common Una was among girls born in each state in 2021–2025. It is notably more common than nationally in New York (3.1×), California (1.5×). In 47 states fewer than five girls a year got the name, too few for SSA to publish, so those states show as zero.
Names with a similar history
These names rose and fell in step with Una: their share of US girls followed the most similar curve since 1880. If you like Una, they share its era and feel.
Questions about the name Una
How popular is the name Una?
Una was the 3245th most popular name for girls in 2025, given to 49 babies. Its best year was 1890, when it ranked 331st; the most babies were born in 1921 (217). Over the last ten years it has moved up 281 places. More babies were named Una in the 1920s than in any other decade.
Is Una a boy or girl name?
In 2021–2025, almost always a girl’s name given the name Una in the US.
Where is Una most popular?
In 2021–2025, Una was most common in New York (0.10 per 1,000 girls), followed by California and Washington.