Deagan
Meanings & Origins
"black-haired, dark one"
"descendant of the dark one"
Popularity
Mockery Risk Analysis Premium
Surname Harmony Premium
Enter your surname above to see harmony analysis
“A strong Irish surname name with ancient roots”
Origin & Etymology
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.
Popularity Story
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.
Cultural Significance
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.
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