Kiernan - name meaning and origin

The boy's name Kiernan \ki(er)-nan\ is a variant of Kieran (Irish, Gaelic), and the meaning of Kiernan is "black".

The baby name Kiernan sounds like Kernan and Cronan. Other similar baby names are Kienan and Tiernan.

Kiernan is a very rare male first name and a very popular surname (source: 1990 U.S. Census). Displayed below is the baby name popularity trend for the boy's name Kiernan. Compare Kiernan with related baby names.