Declan is a distinctive girls' name in United States, ranking #17684 in 2010 with 5 recorded births. The name reached its all-time peak in 2017 with 40 births ranking #3791. In 2010, approximately 1 in every 355,465 girls born was named Declan. FALLING Recent data shows the name is currently falling.
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.