Declan Name Meaning
The name Declan comes from Irish roots and carries a meaning worth knowing. Read the full meaning and origin of Declan below, then browse real variants, short forms, and related names from the same family. Tap any name to copy it instantly.
Declan Name Meaning
IrishAnglicized form of Irish Deaglán, which is of unknown meaning. Saint Declan was a 5th-century missionary to Ireland.
Frequently Asked Questions
What does the name Declan mean?
The full meaning, origin and background of Declan appear in the meaning card at the top of this page, followed by real variants and related names from the same family.
Is Declan a boy or girl name?
The usage and origin of Declan are shown in the meaning card above — the related names below include forms used across genders.
What names are similar to Declan?
The list below shows real name variants, short forms, and names that share the roots or sound of Declan — tap any name to copy it.
Is Declan a rare name?
Many names carry centuries of history yet stay uncommon today. Browse the related names below to find a form of Declan that feels right.