Billie vs Úna
Billie and Únacompared on official birth-registration statistics and Namewise's recorded data. This page states what each name's record shows — it never picks a winner or scores one name against the other.
Head to head
Ranks are only compared within one published list and one year. Two ranks from different years, from a boys' and a girls' list, or from different registrars are not comparable, so they are not placed side by side.
Republic of Ireland · Girls
In 2025, Billie was ranked #186 and Úna #239 among girls in Republic of Ireland.
Billie and Úna over time
Billie and Úna appear together in 1 published list, across 8 years of shared records. Billie held the stronger position in more years in 1 of them, Úna in 0.
In none of those lists did their order change and stay changed.
Úna reached its own highest recorded position earlier in 1 of those lists, and Billie in none. Each position is a place inside its own list, so this compares when they peaked and never how high.
Counted list by list. Two names in the same published list are measured on the same scale in the same year, so those comparisons are real — but positions from different lists are not, so nothing here is combined into an overall standing.
List by list
Republic of Ireland · Girls8 shared years, 2018–2025
Billie held the stronger position in 5 of those years, Úna in 2.
Highest recorded here: Billie #186 in 2025, Úna #183 in 2023.
The order between them never changed and held in this list.
Most recent shared year, 2025: Billie #186, Úna #239.
Two names moving past each other in a ranking is a fact about the ranking. Namewise does not claim one name displaced the other, that families chose between them, or that either influenced the other — none of that is in this data.
Side by side
| Field | Billie | Úna |
|---|---|---|
| Record type | Official statistical record (evidence-only) | Official statistical record (evidence-only) |
| Gender usage | female | female |
| Meaning | Not yet recorded | Not yet recorded |
| Origin | Not yet recorded | Not yet recorded |
| Pronunciation | Not yet recorded | |
| Syllables | 2 | 1 |
| Common variants / nicknames | Not yet recorded | Not yet recorded |
| Recorded regional usage | AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NZ | IE |
| Most recent popularity observation | New South Wales, Australia · Girls #35 (2025) | Republic of Ireland · Girls #239 (2025) |
| Pronunciation clarity (demonstration score) | Not yet recorded | Not yet recorded |
| Spelling simplicity (demonstration score) | 88/100 | 95/100 |
| International familiarity (demonstration score) | 100/100 | 40/100 |
| Data Confidence | medium | medium |
What the data shows
- Billie has 2 syllables, compared with 1 for Úna.
- Both names have recorded usage in IE.
How each name got here
Billie
Popularity journey
First recorded1979
First recorded at #523 among girls in Republic of Ireland in 1979 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Republic of Ireland · Girls
Highest recorded2015–2025
Highest recorded position: #33 among girls in New South Wales, Australia, in 2024 (recorded 2015–2025).
New South Wales, Australia · Girls
Most recent2025
Most recently recorded at #151 among girls in England and Wales, in 2025.
England and Wales · Girls
Úna
Popularity journey
First recorded2018
First recorded at #387 among girls in Republic of Ireland in 2018 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Republic of Ireland · Girls
Highest recorded2018–2025
Highest recorded position: #183 among girls in Republic of Ireland, in 2023 (recorded 2018–2025).
Republic of Ireland · Girls
Most recent2025
Most recently recorded at #239 among girls in Republic of Ireland, in 2025.
Republic of Ireland · Girls