Boy’s name · Irish

Deegan

How to say it: DEE-gun · /ˈdiɡən/

Anglicized Irish surname Ó Duibhginn meaning 'descendant of Duibhginn' (black-headed); used as a given name.

Deegan was the 1,631st most popular boys’ name in the United States in 2025, given to 74 babies (Social Security Administration). Its busiest decade was the 2010s, its births are down about 56% in ten years, and it is projected to slip to #1,927 by 2030.

Updated · SSA 2025 data, published May 2026 · How we compute these figures

#1,631for boys in 2025
1 in 44,801US babies
74born in 2025
#1,927projected for 2030
2010sits peak decade
under 1 in 200chance a classmate shares it

Key facts

Key facts about Deegan
Rank among boys’ names, 2025#1,631
Babies born in 202574
Share of births1 in 44,801
Peak decade2010s
Change over 10 years−56%
Projected rank for 2030 (estimate)#1,927

Sources: Social Security Administration (SSA). How we compute these figures.

Its life, decade by decade

Deegan is a newcomer: almost all of its history is from the last forty years.

1900195020002020–25
Peak: 96 per million births, 2010s.

What goes with it

Parents who love Deegan also love

Nicknames

  • Dee

In the classroom

In a class of 25 children born in 2025, the chance that another child is called Deegan is about under 1 in 200.

Around the world

This spelling is used in English, Irish.

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