Declan

A boys’ name of Irish origin, meaning full of goodness.

Babies a year
3,483
the US, 2017
Rarity
Common
among names in use
US popularity
#139
down from #131
UK popularity
#372
112 babies · down from #371

How Declan has moved

US popularity rank, 2015–2025. Lower is more popular.
#82#117#152201520202025#139

View as table
YearUS rank
2015#112
2016#109
2017#115
2018#101
2019#95
2020#102
2021#105
2022#114
2023#132
2024#131
2025#139

Declan by the numbers

In 2025, 112 babies in England and Wales were named Declan. In the US, 3,483 were, though that figure is from 2017, the most recent full year we hold.

For the size of the two countries, it is given several times more often in the US than in England and Wales.

Its American peak was 3,613 babies in 2016, making it a 2010s name.

Spelled almost the same

Other names in the records within a letter or two of Declan. Close spellings are not always related names, but they are usually worth seeing together.

  • Deklanman from Ireland; a modern respelling of Declan179 in the US (2017)
  • Declynfull of goodness; modern respelling of Declan53 in the US (2017)
  • Decklanfull of goodness; a modern respelling of Declan43 in the US (2017)
  • Dechlanfull of goodness; a form of Declan8 in the US (2017)
  • Declin11 in the US (2017)
  • Deylan8 in the US (2017)

Sounds like Declan

Names that are said the same way as Declan, however they are written. Sounding alike does not mean they share a history.

  • Deklynman from Ireland; a modern respelling of Declan69 in the US (2017)
  • Decklynfull of goodness; modern respelling of Declan53 in the US (2017)
  • Deklin34 in the US (2017)
  • Deklen18 in the US (2017)
  • Decklin16 in the US (2017)
  • Deklynn14 in the US (2017)

Names about as common as Declan

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