Tierney Family History
Tierney Name Meaning
Irish: shortened form of O'Tierney an Anglicized form of Gaelic Ó Tíghearnaigh ‘descendant of Tighearnach’ a byname meaning ‘lord master’. The Gaelic name is sometimes ‘translated’ as English Lord . Compare Tiernan .
Source: Dictionary of American Family Names 2nd edition, 2022