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Tiernan meaning and name origin
Tiernan \ti(er)-nan\ as a boy's name (also used as girl's name Tiernan), is of Irish and Gaelic origin, and the meaning of Tiernan is "lord".
Tiernan has 3 variant forms: Tiarnan, Tiarney and Tierney.
Suggested similar baby names are Kiernan and Tienan.
Popularity of Tiernan
Tiernan is not a popular first name for males but a very popular surname or last name for all people (#14734 out of 88799) (2000 U.S. Census).
Displayed below is the baby names popularity of Tiernan name for boys (2012 statistics). Compare Tiernan with its variant forms and related boy baby names.