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Una

#3,245 in 2025Girls' name

Possibly lamb, through Úna

Una has been given to 8,108 babies in the U.S. since 1880. In 2025 it ranked #3,245 of 17,293 girls’ names in use. Its peak year was 1921, with 217 recorded.

Babies named Una, 2025

1 in 67,700

Una over time, 1880–2025

Girls
010020030018801900192019401960198020002020

Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Una: meaning, origin, and history

Possibly lamb, through Úna

Irish

What Una means

Una belongs to the name family reached through Una → Úna. Its meaning is “lamb”.

Dictionary etymologyReferences, data & attribution

Anglicized form of Irish Úna. Doublet of Oona.

Excerpt from Wiktionary: Una (English) · CC BY-SA 4.0

Wiktionary material is available under CC BY-SA 4.0.

Origin, language, and formation

Una is used in English, Faroese and Latvian. Its origins include Irish.

Una comes through Irish Úna.

Related names and everyday forms

Related names include Úna and Oona.

American usage and historical context

In the United States, 8,108 girls were recorded with the name Una between 1880 and 2025. Its highest annual count was 217 in 1921; its best national rank was #331 in 1890.

Over 5 years its rank fell, from #2,710 in 2020 to #3,245 in 2025. Over 10 years its rank rose, from #3,526 in 2015 to #3,245 in 2025.

How common is Una?

Everything below is computed from the 2025 data — the most recent year available.

Among all babies, 2025
1 in 67,700
49 of 3,315,165 births
Among girls only
1 in 32,800
<0.01% of girls
Rank, 2025
#3,245
of 17,293 girls’ names in use
Coin-flip room size
46,897 kids
Even odds of a second one

Where Una sits on the popularity scale

Rarest published (5 a year)#1 — Olivia (13,544)

Chance at least one other child shares the name

If the other children were drawn at random from the 2025 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.

Class of 20Under 1%
Class of 30Under 1%
Grade of 100Under 1%
School of 500Under 1%

Put another way: gather 46,897 children born in 2025 and it's an even bet that one of them is another Una. In a class of 30 the chance is Under 1%.

When Unas were born

Half of everyone ever recorded as Una was born before 1928 — so the typical Una is around 97 today.

Median birth year
1928
About 97 years old
Biggest decade
1920s
19.7% of all use
Born in the last 25 years
12.8%
Spread across generations
Recorded since 1950
2,220
People you could plausibly meet
Choose a decade

1920s — 19.7% of all recorded uses (1,597).

Is Una rising or falling?

Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.

Rank vs 1 year ago
−236
Places dropped
Rank vs 5 years ago
−535
Places dropped
Rank vs 10 years ago
+281
Places climbed
Births vs 10 years ago
1.09×
More babies than then
Share of its own peak
22.6%
Peak was 1921 (217)
Years since peak
104
Years
Year-to-year steadiness
Shifting
19.0% average annual change
Best rank ever
#331
1890

Where Una is used

Across 1910–2025, Una was most concentrated in Louisiana — about 1 in 6,667 girls, against 1 in 43,551 across all states with data. It was least common in South Carolina (1 in —).

015 per 100,000

Most concentrated

  1. 1Louisiana1 in 6,667
  2. 2Arkansas1 in 11,111
  3. 3Tennessee1 in 14,286
  4. 4Alabama1 in 16,667
  5. 5Oklahoma1 in 16,667
  6. 6Kentucky1 in 20,000
  7. 7West Virginia1 in 20,000
  8. 8Missouri1 in 33,333

Shading is the share of that state's recorded girls given this name, not the raw count — otherwise the map would just show which states are biggest. Unshaded states have no published records for this period. U.S. birth records suppress state-year counts below 5; state counts therefore don't add up to the national total. Every state links to its full rankings. Una has too little recent state data to map, so this covers all years from 1910.

Una around the world

Where Una ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.

  • England & Wales
    1996–2025
    #473
    in 2025
  • Scotland
    1974–2025
    #359
    in 2025
  • Northern Ireland
    1997–2025
    #259
    in 2025
  • Ireland
    1964–2025
    #239
    in 2025
  • France
    2001–2025
    #7,172
    in 2025
  • Norway
    1880–2025
    #212
    in 2025
  • Canada
    1996–2024
    #1,709
    in 2024
  • South Australia
    1944–2013
    #818
    in 2013

Popularity data from Office for National Statistics, National Records of Scotland, Northern Ireland Statistics and Research Agency, Central Statistics Office, Institut national de la statistique et des études économiques, Statistics Norway, Statistics Canada and Consumer and Business Services (South Australia). ONS, NRS, NISRA data under Open Government Licence v3.0. CSO, SSB, CBS SA data under CC BY 4.0. INSEE data under Licence Ouverte / Etalab 2.0. StatCan data under Statistics Canada Open Licence.

Notable people named Una

People whose public names include Una, backed by Wikidata given-name records and ordered by linked Wikimedia pages. The name may be a middle name.

People data from Wikidata (CC0). Fame is measured, not judged — the order reflects how widely each person is documented, not the U.S. birth records popularity this page is otherwise about.

Una by the numbers

The raw record for each sex the name is used for.

As a girl's name

Rank in 2025
#3,245
Trend vs 5 yrs ago
Down 535
Best rank ever
#331
1890
Peak year
1921
217 that year
First recorded
1880
Last recorded
2025
All-time count
8,108
Count in 2025
49

Names similar to Una

Matched on shared beginnings and endings, similar length, and comparable popularity.

YunaEunaMunaLaunaJunaLunaRunaAunaShaunaBrunaArunaBunaAlaunaAlunaAsunaEvalunaTaunaFaunaLounaBeunaDjunaBreaunaEmunaBriauna

Names with a curve like Una

Not spelling — timing. These names rose, peaked and faded in the same years as Una, so they read as being from the same moment even when they look nothing alike.

LavinaEldaAgathaRayLeoraVerdaAlvaNovellaIdellaRubieGeorgieLovie

Sibling names for Una

Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.

Explore around Una

Top names of 1921, Una's peak yearThe 1920s in fullOther names that peaked in 1890Girls' names starting with UIrish Girl NamesIrish Names