Given name

Oonagh

“one who is pure; chaste”

Oonagh is a variant of Oona. In Gaelic use, Oona carries the interpretation “one who is pure; chaste.”

Meaning & origin

What it means

Oonagh is a variant of Oona. In Gaelic use, Oona carries the interpretation “one who is pure; chaste.”

Explained through its name family

Where it comes from

Oonagh comes from Irish.

Adapted from Wiktionary (CC BY-SA 4.0)

The story

Published U.S. birth records include this spelling as early as 1997. This is the earliest published observation available here, rather than a date for the name’s origin.

From dated birth records

Oonagh through the years

Babies since 1880
75
0 boys · 75 girls
Most popular year
2016
8 babies
2025
0
Outside the ranked list
2021–25 vs 2016–20
−66%
Cooling
024620002025Highest share 20170.0
Oonagh in U.S. Social Security birth records, 1997–2025, per million girls born. Years with fewer than five births for a sex are not published and appear as zero. Use the arrow keys to step through years.

By the numbers

The most recent published U.S. birth count for girls is 6 in 2024. Later missing counts do not mean the name went unused. Published U.S. population figures for this spelling include 189 as a first name in 2020.

From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.

Oonagh’s family of names

In English usage, Oonagh has an alternative spelling in Oona. Oonagh has a related form in Oona.

Walk Oonagh’s family in the name graph

OonaghOona

The ring: nicknames and forms.

Hover or tab through the constellation to see how each name is related. Bigger dots are names more people in the U.S. share.

Nicknames & forms 1

Diminutives, pet forms, short forms and variants used alongside the name.

People named Oonagh

Listed by how widely each person is written about, which says nothing about the name itself.

Similar names

If you love Oonagh, these share its style, era, origin or sound, from outside its own family.

Irish · Modern

Bronagh

Bronagh is a feminine given name from Irish.

0Not recently recorded

>99% girls

Irish · Modern

Tipper

“one who pours water; a well”

0Not recently recorded

>99% girls

Irish · Modern

Ffion

“having a pale face”

0Not recently recorded

>99% girls

Irish · Modern

Connelly

Connelly is a surname from Irish.

17Very rareCooling

24% boys · 76% girls

Irish · Modern

Faraday

Faraday is a surname from Irish. It is used in English and Polish.

0Not recently recorded

>99% girls

Irish · Modern

Shiley

Shiley is a surname, possibly from Irish.

0Not recently recorded

>99% girls

Irish · Modern

Mone

“a solitary man; one who advises others”

0Not recently recorded

>99% girls

Irish · Modern

Kerrigan

“having black hair”

28RareCooling

7% boys · 93% girls

Sibling ideas

Names that share Oonagh’s feel without repeating its first letter or rhyming with it.

A brother for Oonagh

A sister for Oonagh