What does Kiernan mean?
Kiernan has 1 variant: Kernan.
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)