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© 2026 Namesake · namesake.baby

Data: Social Security Administration, US births 1880–2024

Oonagh — Meaning, Origin & Popularity | Namesake
All names
Oona|Opal
IrishGirl→ Stable

Oonagh

OO-nuh · 2 syllables

Share Oonagh:
Compare with another name
Girl
#14793
→ Stable
#14793
in the US · 2024
Popularity score: 3
Peak rank
#13108 in 2020
5yr change
—
Birth frequency
1.7 per 1,000,000 births
Sex split
0% boy · 100% girl

Popularity Over Time

↑ Higher on this chart = more popular · ↓ Lower = less popular

Average0255075100Popularity score (0–100)20202024

Rank #14793 · Falling since 2020

How Popular Is This Name?

Bars show the range of popularity for each group. The dot shows where this name sits. Further right = more popular.

All US girl names
Top 200 girl names
Irish girl names
Oonagh

Popularity score: 3  ·  SSA Rank: #14793

Rare  ·  Distinctive  ·  Familiar  ·  Common  ·  Very Common

Popularity score: 0 = least popular, 100 = most popular. Based on SSA rank.

Namesake Score
62
Higher than 62% of names
Combines uniqueness, trend, meaning, feasibility, and search interest.
Trend
→ Stable
Based on SSA rank velocity
Feasibility
Limited
.com taken · — · clear
Low friction, available
Uniqueness
55
31 per 10,000 births
Won't be common in class

Oonagh scores well on meaning depth but there are tradeoffs — domain availability is limited.

Meaning Depth37% of score
60
Name Trend28% of score
60
Uniqueness20% of score
55
Feasibility15% of score
50

Scores are percentile-ranked across 43,000+ names.

Name DNA
IrishCelticMythologicalGirl2-syllableOld Irish RootRareWhimsicalVintageFairy LoreEthereal
Character
ethereal gracemystical wisdomspirited independencelyrical creativity
People with this name

Qualities shared by notable Oonaghs

dedicatedartisticexpressivepassionatevocal
STRONG
High confidence

Oonagh is an Irish girl name with steady SSA rankings. It ranked #14793 in the US in 2024.

Trend:→ Stable
Feasibility:.com taken · — · clear
Popularity:#14793 · very rare
Oonagh at a Glance
Meaning:From Old Irish 'Oonagh' meaning 'little green one' or 'fair one'; associated with Celtic mythology and the fairy queen Una.
Language root:Old Irish · Gaelic
Peak rank:#13108 in 2020
5yr change:—
Sex usage:0% boy · 100% girl
Notable bearers
Oonagh Duffy
Singer
Oonagh Shanahan
Camogie Player
Similar Sound
OonaUnaSiobhanNiamhAoifeRiona
Similar Style
SaoirseMaeveFionaClodaghCaoimheOrla
Works well with
CormacDeclan◈SiobhanAoifeFinley◈Rory◈FayeAisling
You Might Also Like
Saoirse
Irish · #1036
↓ Declining
Maeve
Irish · #75
→ Stable
Fiona
Celtic · #406
→ Stable
Clodagh
Irish · #10426
↓ Fading
Caoimhe
Irish · #8519
↑↑ Surging
Orla
Irish · #2517
↑ Rising
Source: Social Security Administration baby names data. Popularity data reflects US births. Feasibility data updated monthly.
Name Intelligence
Oonagh · Overview
Summary

Oonagh is an Irish girl name with steady SSA rankings. It ranked #14793 in the US in 2024.

Strengths
Strong fundamentals
Oonagh scores 62/100 on the Namesake scale — meaning, origin, and trend all contribute positively.
Mythological · Vintage character
Oonagh carries a ethereal, warm, grounded quality that makes it distinctive without being invented.
Considerations
Domain taken
oonagh.com is not available. Alternative TLDs may work.
Explore

Add to watchlists or your list with + Save next to the name above.

Data source:Social Security Administration
Coverage:US births 1879–2024
Updated:January 2025
ISR:Refreshes monthly
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