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Home › Baby Names Directory › Deagan

Deagan

♂ Boy

Pronounced DEE-gən /ˈdi.ɡən/High

Meaning: From the Irish surname Deegan/Deagan — 'descendant of Deaghan', possibly linked to dubh, 'black, dark'; routes layeredLow

In 30 seconds: An Irish surname: Deagan ties to 'descendant of Deaghan'. Crisp, modern, and warm.
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Origin LowIrish
MeaningFrom the Irish surname Deegan/Deagan — 'descendant of Deaghan', possibly linked to dubh, 'black, dark'; routes layered
U.S. rank (2025)#5665 ↘ Falling
2025 U.S. births16 boys (0.00% of U.S. boys)
Peak year2009
Total births (all-time)≈ 1,016

Popularity in the U.S. · SSA data

peak 200919972025

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

Deagan comes from the Irish surname Deegan/Deagan (Gaelic O'Duibhginn), 'descendant of Deaghan' — possibly linked to dubh, 'black, dark' (routes layered, which we note). A crisp, modern surname/given name, on the model of Keegan and Teagan (said 'DEE-gən'; nickname Dee).

It registers thinly in records. Rare, descendant-of-Deaghan at the root, and crisp.

Did you know? Deagan is an Irish surname (O'Duibhginn), 'descendant of Deaghan' — possibly linked to dubh, 'black, dark' — a crisp, modern name (the routes are layered, which we note).
Overall data confidence 50%
References — Deegan — routes layered

Variations

DeeganDeegenDaegan

Nicknames

Dee

Famous Bearers

  • Famous bearers coming soon.

If you like Deagan…

Keegan— a fellow -eagan Irish boys' name
Teagan— a companion -eagan name
Reagan— another -eagan surname-name
Deacon— a sound-neighbor Dea- boys' name

Explore names like Deagan

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Frequently Asked

What does the name Deagan mean?

Deagan is an Irish surname, 'descendant of Deaghan', possibly linked to 'black, dark'; the routes are layered.

How do you pronounce Deagan?

It's said DEE-gən /ˈdi.ɡən/ — two syllables, stress on the first.

Is Deagan a boy or girl name?

Deagan is a boy's name.

How popular is Deagan?

Deagan is a rare name in the U.S.

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