Declan is a moderately popular boys' name in England & Wales, ranking #371 in 2024 with 116 recorded births. The name reached its all-time peak in 1997 with 942 births ranking #69. Since 1996, the popularity has decreased by 82.9%. In 2024, approximately 1 in every 2,395 boys born was named Declan. STABLE Recent data shows the name is currently stable.
Declan is a much-loved Irish name with deep saintly roots and a clean modern sound. Its exact literal meaning is not explained the same way by every source, but its Irish identity is very secure.
The name is especially associated with Saint Declan, an early Irish saint. Its international popularity has grown because it feels distinctly Irish while still being easy to say and spell.