Kiernan meaning, boyKiernan

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What does Kiernan mean?

Kiernan \ki(er)-nan\ as a name for boys. Kiernan's roots are Irish and Gaelic, and the name Kiernan means "black". Kiernan is a form of Kieran (Irish, Gaelic).


Kiernan has 1 variant: Kernan.

Kiernan has 9 more different forms via Kieran: Ciaran, Keiran, Keiron, Kieren, Kieron, Kierren, Kierrin, Kierron and Kiran.


Kiernan is an unusual given name for males but a very prominent last name for all people (#5614 out of 150436, Top 4%). (2000 U.S. Census)

Below is a charted analysis of the popularity of the boy name Kiernan and related names. Popular related forms of Kiernan (#unlisted) appearing in the Top 1000 are Kieran (#576 last year), Kieron and Ciaran. Adoption of these boy names reached its highest in 2011 (usage of 0.1753%) and is almost as widespread today (usage 0.1413%, down 19.4%). Kieran (#576) is the most fashionable baby name in this compilation. (2014 Birth Statistics)

Top 1000 baby names ranking of Kieran in U.S.

Top 100 baby names ranking of Ciaran, Kieran, Kieron outside U.S.

Similar Names

Suggested similar baby names are Kienan and Tiernan. Like Kiernan, these names are not frequently used.