Declan: name meaning, origin & popularity
- Meaning
- “uncertain, possibly full of goodness”
- Origin
- Irish
- Say it
- DEK-lun · 2 syllables
- Used for
- Boys
An Irish name borne by Saint Declan. Its exact etymology is uncertain; a common interpretation links it to Old Irish deag 'good' with a diminutive element.
How popular is Declan?
Babies named Declan in 20242,772
2024 rank#131 boys
Peak year2019
Total US babies since 188056,351
Declan has been fairly stable over the last fifteen years.
Names like Declan
Variants, related forms and names with the same roots.
Declan questions
What does the name Declan mean?
Declan means "uncertain, possibly full of goodness". It comes from Irish. An Irish name borne by Saint Declan. Its exact etymology is uncertain; a common interpretation links it to Old Irish deag 'good' with a diminutive element.
Is Declan a boy or girl name?
Declan is mainly a boy's name in US records (99% of uses since 1880).
How popular is Declan?
2,772 US babies were named Declan in 2024. Its peak year was 2019.
How do you pronounce Declan?
Declan is usually pronounced DEK-lun.
Birth counts: US Social Security Administration national data, 1880–2024 (names given to 5+ babies of a sex in a year). How we write meanings.