"black-haired, dark one"
Origin: Irish Gaelic
Language: Irish
Deagan
Does Deagan flow with your last name?
A strong Irish surname name with ancient roots
Irish
American
English
Strong
Earthy
Modern
Reviewed by the NamingEverything Editorial Team · Updated
Share
Similar Names
Names Like Deagan
Same sound, same style — different options
Nicknames
Nicknames for Deagan
2 shorthand options for every setting
Meaning & Origin
"descendant of the dark one"
Origin: Old Irish
Language: Irish
Playground Safety
Kid-Friendly
Similar to Deagan
See all →What the Deagan report tells you
$9Personalized to your state, siblings, and priorities. Free playground safety preview included.
Is Deagan the #1 name in your state, or barely on the radar?
Enter your other kids' names. We score how well they sound together.
Downloadable PDF + nursery art
Everything in one printable report. Frame the name art.
Start with a free preview
Playground safety check is free. Full report is $9.
What do you want to do with this name?
Keep Deagan
Add it to your shortlist. Not losing this one.
Compare names
Put Deagan head-to-head with your other picks.
Start comparing →
Nickname ideas
See what Deagan actually gets called.
Browse nicknames →
What kind of baby name person are you?
3 minutes to find names that fit your style.
Take the Quiz
The Story of Deagan
Deagan is an anglicized variant of the Irish surname Deegan (O'Deaghaidh), meaning descendant of one who is black-haired or dark. The surname derives from the Irish word dubh (dark, black) combined with the suffix -an. Originally a Gaelic clan name from the Leinster region of Ireland, Deagan has transitioned in recent decades from a surname to a given name in the US and Ireland.
Deagan began rising as a first name in the 2000s, part of the broader surge in Irish surname names becoming given names. Names like Deegan, Reagan, and Keagan paved the way for this variant spelling.
The O'Deegan clan was historically associated with County Laois in Leinster. Using Deagan as a first name honors Irish heritage while feeling fresh and modern.
Historical Record
Deagan first appeared in US Social Security records in 1997.
Over 1,000 babies have been named Deagan in the United States since SSA records began.
Today, Deagan is past its peak , currently ranked #5,530 for boy names in the US .
Fun Facts
- The O'Deegan clan motto is 'Trust not too much in appearance'
- Deegan/Deagan as first names have been rising in the US Top 1000 since the 2000s
Deagan in Other Languages
Irish
Ó Deaghaidh
French
Deagan
German
Deagan
Spanish
Deagan
Popularity Over Time
#5,530
Current Rank
Rising
Trend
Peaked 2009
Based on SSA data 1880–present
Year-by-year popularity data will be available soon.
Famous People Named Deagan
M
Micky Deegan
Athlete
Irish Gaelic footballer
Names You Might Also Love
See all →Quick Facts
- Gender
- Boy
- Syllables
- 2
- Popularity Rank
- #5,530
- Total SSA Count
- 17
- Cultural Origins
- Irish American English
- Pronunciation
- Easy
- Formality
- Moderate
- Cross-Cultural Ease
- Moderate
Common Nicknames
Dee
Deags
Middle Name Ideas
Suggested pairings based on syllable flow and style
-
Timeless choice, smooth 2-2 syllable flow
-
Timeless choice, English heritage match, extended 2-3 combo
-
Timeless choice, smooth 2-2 syllable flow
-
Timeless choice, American heritage match, extended 2-3 combo
-
Timeless choice, smooth 2-1 syllable flow
-
Timeless choice, smooth 2-2 syllable flow
-
Timeless choice, English heritage match, extended 2-3 combo
-
Timeless choice, smooth 2-2 syllable flow
-
Timeless choice, English heritage match, extended 2-3 combo
-
Timeless choice, smooth 2-2 syllable flow
Middle Names
Middle Names for Deagan
5 name pairings with syllable flow tips
Sibling Names
Sibling Match
Premium
Check how Deagan fits with existing sibling names — style, sound, and origin.
Enter sibling names above to see compatibility.
Similar Names
See all names like Deagan →For Parents
amz
Start a baby registry
Free welcome box on Amazon
The Baby Name Wizard
Names that age well — book
Nursery name sign
Personalized wooden letters
We may earn a commission from these links.
Compare Deagan with...
Same Origin Names (Irish)
See all Irish names →Names with Similar Meaning
Names that share meaning themes with Deagan
Can't decide?
Start a tournament bracket with Deagan and other names you're considering.
Start a TournamentLike this name?
Check how Deagan sounds with your surname and test for potential nicknames.
Analyze This NameExplore More Generators
-
🧝
Fantasy Name Generator
Create names for D&D and RPG characters
-
🐾
Pet Name Generator
Find the perfect name for your furry friend
-
🎭
Character Name Generator
Names for fictional characters across genres
Names You Might Also Like
View all →
Desmon
Boy
Irish Gaelic origin
"of the southern province"
#5,670 in US
Roni
Boy
Hebrew origin
"my joy, my song"
#5,652 in US
Xaiver
Boy
Arabic origin
"bright, radiant"
#5,548 in US
Solar
Boy
Latin origin
"of the sun, relating to the sun"
#5,691 in US
Khrome
Boy
Modern English origin
"chromium metal, lustrous strength"
#5,714 in US
Domenick
Boy
Latin origin
"of the Lord"
#5,588 in US
Kale
Boy
Gaelic/Norse origin
"narrow, strait"
#5,372 in US
Bransen
Boy
Old Norse origin
"firebrand, bold warrior"
#5,471 in US
Save Your Name Card
Download a shareable image with Deagan's meaning, origin, and popularity. Ready for Instagram, Pinterest, or texting to your partner.
Frequently Asked Questions About Deagan
What does the name Deagan mean?
"black-haired, dark one" (from Irish Gaelic). "descendant of the dark one" (from Old Irish). Deagan is an anglicized variant of the Irish surname Deegan (O'Deaghaidh), meaning descendant of one who is black-haired or dark. The surname derives from the Irish word dubh (dark, black) combined with the suffix -an. Originally a Gaelic clan name from the Leinster region of Ireland, Deagan has transitioned in recent decades from a surname to a given name in the US and Ireland.
What is the origin of the name Deagan?
Deagan has Irish Gaelic, Old Irish, Irish, American, and English origins. In Irish Gaelic, it means "black-haired, dark one". In Old Irish, it means "descendant of the dark one".
Is Deagan a boy or girl name?
Deagan is primarily used as a boy name.
How popular is the name Deagan?
Deagan is currently ranked #5530 in popularity for boy names in the United States.
What are common nicknames for Deagan?
Common nicknames for Deagan include Dee and Deags.
What are good middle names for Deagan?
Popular middle name pairings include Deagan James, Deagan Patrick, Deagan Michael, Deagan Sean, and Deagan Connor.
What are good sibling names for Deagan?
Names that pair well with Deagan as siblings include Finnegan, Rowan, Nolan, Sloane, and Briar.
How many syllables does Deagan have?
Deagan has 2 syllables, making it easy to say and remember.
Is Deagan a common or rare name?
Deagan is an uncommon name, ranked #5530 in the US. Its rarity gives it a distinctive, memorable quality.
About the Name Deagan
Deagan is a boy name with Irish, American, and English origins . The name means "black-haired, dark one" in Irish Gaelic .
Deagan is currently ranked #5,530 in popularity for boy names in the United States.
The name Deagan has 2 syllables, making it easy to pronounce and remember.
Common nicknames for Deagan include Dee and Deags. These shorter forms provide casual alternatives while keeping the elegance of the full name.
Keep Exploring
Irish Gaelic Names
Browse all names with this origin
D
Names Starting with D
More boy names like Deagan
Rising Names
Names gaining popularity right now
Name Personality Quiz
Find names that match your style
Name Swiper
Swipe through names, build a shortlist fast
Browse All Boy Names
Full list with filters and sorting
Recommended for Parents
amz
Start a registry
Free welcome box on Amazon
Baby Name Wizard
Names that actually age well
Nursery name sign
Personalized wooden letters
We may earn a commission from these links.
Sources
- U.S. Social Security Administration — National Baby Names Data (popularity rankings and historical trends)
- Behind the Name (etymology and meaning research)
- NamingEverything editorial research and analysis