| Meaning | man of prayer, full of goodness |
| Origin | Irish |
| Gender | gender neutral |
| Opposite gender | Declan |
| Popularity | Popular |
| Length | 6 |
| Syllables | 2 |
| Syllabification | Dec-lan |
Warmth and charm radiate from Declan, a name gaining deserved recognition for its appealing combination of strength and approachability. This Irish gem brings Celtic heritage to diverse families, offering cultural richness regardless of background. Declan's two syllables create satisfying rhythm that feels both substantial and easy to say. The name suggests someone friendly and engaging, naturally drawing others near with genuine warmth. Its growing popularity reflects appreciation for its excellent qualities, though it hasn't reached oversaturation. Declan works beautifully across age ranges, equally suitable for energetic toddlers and accomplished adults. The name offers minimal nickname options, encouraging use of its full, lovely form. Its masculine sound provides strength without hardness, balancing assertiveness with gentleness perfectly. Declan adapts well to various surnames and middle names, demonstrating excellent versatility in combination. The name suggests intelligence and creativity alongside strength, creating well-rounded impression. For parents seeking a name that's distinctive without being unusual, strong without being harsh, Declan represents ideal choice.
| Dec |
| Dex |
| Deck |
| Lan |
| Deco |
| Declan Donnelly | British television presenter |
| Declan Galbraith | English singer |
| Declan Kidney | Irish rugby coach |
| Declan McKenna | English singer-songwriter |
| Declan Rice | English footballer |
| Declan Bennett | English actor and singer |
| Declan Hill | Canadian investigative journalist |
| Declan John | Welsh footballer |
| Declan Stacey | Australian actor |
| Declan Chong | Singaporean musician |
| Declan O'Sullivan | Irish Gaelic footballer |
| Declan Nerney | Irish singer |
| Declan Mulholland | Irish actor |
| Declan Browne | Irish Gaelic footballer |
| Declan Feenan | Scottish footballer |
| Declan Boyle | Irish rally driver |
| Declan Danaher | English rugby union player |
| Declan Ganley | Irish entrepreneur |
| Declan Gilmour | New Zealand musician |
| Declan Bogue | Irish sports journalist |
| Declan Harp | Character from the TV series "Frontier" |
| Declan Napier | Character from the TV series "Neighbours" |
| Declan McQueen | Character from the TV series "Hollyoaks" |
| Declan Porter | Character from the TV series "Revenge" |
| Declan Haworth | Character from the novel "No Country for Old Men" |
| Declan Kincade | Character from the book "Lost Rider" |
| Declan Chase | Character from the TV series "Sanctuary" |
| Declan Gage | Character from the TV series "Profiler" |
| Declan Giggs | Character from the TV series "Coronation Street" |
| Declan Harrow | Character from the TV series "Elementary" |
| Declan Coyne | Character from the TV series "Degrassi - The Next Generation" |
| Declan Rand | Character from the video game "Remember Me" |
| Declan Mulqueen | Character from the movie "The Jackal" |
| Declan Fitzpatrick | Character from the TV series "Grey's Anatomy" |
| Declan Hickey | Character from the movie "In America" |
| Declan Rudd | Character from the TV series "Grimm" |
| Declan Dunn | Character from the TV series "The Dead Zone" |