Kiernan

A unisex name of Irish origin, meaning little dark one; descendant of Ciaran.

Babies a year
79
the US, 2017
Rarity
Very rare
among names in use
US popularity
—
outside the top 1000
UK popularity
—
outside the ONS list

Kiernan by the numbers

Kiernan was given to 79 American babies in 2017, the most recent full year we hold.

Its American peak was 77 babies in 2008, making it a 2000s name.

Other names that come from Ciaran

Like Kiernan, each of these traces back to Ciaran: a form of it, a name built from it, or a son or daughter of it. Not always the same sex.

  • Ciarandark, black; small dark one32 in England and Wales (2025)
  • Keirondark or lord; a form of Ciaran or Kieran3 in England and Wales (2025)

Spelled almost the same

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

  • Kiranray of light, beam of sunlight123 in the US (2017)
  • Kierenlittle dark one; a form of Kieran17 in the US (2017)
  • Kennansmall keen one13 in the US (2017)
  • Kiegansmall and fiery; a form of Keegan8 in the US (2017)
  • Kieryndark-haired; a respelling of Kieran8 in the US (2017)
  • Kierinsmall dark one; a form of Kieran5 in the US (2017)

Other names that mean darkness

Like Kiernan, each of these has darkness in its meaning. Different names, different histories, the same idea.

  • Adrianfrom Hadria; dark one6,317 in the US (2017)
  • Laylanight, dark beauty6,283 in the US (2017)
  • Coltondark settlement; coal town5,261 in the US (2017)
  • Blakedark or pale3,782 in the US (2017)
  • Coledark, swarthy; charcoal3,458 in the US (2017)
  • Melaniedark, black3,232 in the US (2017)

Names about as common as Kiernan

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