Tiernan
BoyIrish
Tiernan is a boy name of Irish origin meaning "Lord or chief, denoting a ruler".
About this name
Gender
Boy
Language
Irish
Religion
None
Popularity
2 / 100
Syllables
2
Length
7 letters
Meaning
Lord or chief, denoting a ruler
Etymology
Anglicized from Old Irish 'Tighearnach', derived from 'tighearna' meaning 'lord'.
Frequently Asked Questions About Tiernan
What does the name Tiernan mean?
Tiernan means "Lord or chief, denoting a ruler", and is of Irish origin.
What is the origin of the name Tiernan?
Tiernan originates from Irish, commonly used in Ireland.
Is Tiernan a boy or girl name?
Tiernan is typically used as a boy name.
What religion is the name Tiernan associated with?
Tiernan is associated with None.
Last updated: June 2026