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Home › Baby Names Directory › Deegan

Deegan

♂ Boy

Pronounced DEE-guhn /ˈdi.ɡən/Medium

Meaning: an anglicized form of the Irish surname Ó Duibhginn, meaning 'descendant of Dubhagán', a name from 'dubh' meaning 'black, dark'Medium

In 30 seconds: Deegan is an anglicized Irish surname from Ó Duibhginn, meaning 'descendant of Dubhagán'. That older name comes from 'dubh', meaning 'black' or 'dark'.
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Origin MediumIrish
Meaningan anglicized form of the Irish surname Ó Duibhginn, meaning 'descendant of Dubhagán', a name from 'dubh' meaning 'black, dark'
U.S. rank (2025)#2024 ↘ Falling
2025 U.S. births74 boys (0.00% of U.S. boys)
Peak year2011
Total births (all-time)≈ 3,453

Popularity in the U.S. · SSA data

peak 201119972025

U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.

SSA data updated May 2026. How we source & verify this data.

History & Origin

The name began as the Irish surname Ó Duibhginn, 'descendant of Dubhagán', a personal name rooted in 'dubh', 'black' or 'dark'. Anglicized into Deegan, it carries that dark-haired or dark-complexioned sense from its Gaelic source. As a first name it keeps the surname's Irish character.

Deegan has a friendly, two-syllable Irish sound, and its Gaelic form Duibhginn shows the older spelling behind the smoothed-out English version.

Did you know? Deegan likely reached first-name use through a surname or place-name route, which gives it that modern borrowed-from-history feel.
Overall data confidence 70%
Behind the Name - Deegan — etymology, usage, pronunciation, and related formsU.S. Social Security Administration — 2024 popularity rank and count supplied in the batch input CSV

Variations

Duibhginn

Nicknames

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If you like Deegan…

Deacon— shares the Dee- opening and the same two-syllable rhythm
Keegan— another anglicized Irish surname with a matching -egan ending
Brennan— shares Deegan's Irish roots
Coleman— shares Deegan's Irish roots
Reagan— shares the -an ending

Explore names like Deegan

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Frequently Asked

What does the name Deegan mean?

Deegan is usually explained as meaning 'origin uncertain' and is most often linked with English tradition.

How do you pronounce Deegan?

It's commonly said DEE-guhn /ˈdi.ɡən/.

Is Deegan a boy or girl name?

In this batch and in recent U.S. usage data, Deegan is used as a boy name.

How popular is Deegan?

In 2024, Deegan ranked #1674 in the U.S. for boys, with 100 births recorded.

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