The name Tierney is a boy's name of Irish origin meaning "descendant of a lord".

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Tierney is a Celtic surname with a definite Irish twinkle, a name just waiting to be discovered. Though now sometimes used for girls (in the US, not Ireland), as in jazz singer Tierney Sutton, it still has plenty of masculine punch.
 Tierney, in its original Tiarnach form, was the name of several saints. It can also join the ranks of Old Hollywood names, via the haunting actress Gene Tierney. ER actress Maura Tierney is a current surname bearer.

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Tierney

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The name Tierney peaked for boys at #6422 in 1976. Tierney is occasionally used for girls in 2025.

Tiernan

The name Tierney is a girl's name of Irish origin meaning "descendent of a lord".

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An uncommon Irish-accented surname that seems particularly well suited to a girl. Tierney Sutton is a well-known jazz singer. Tierney, in its original Tiarnach form, was the name of several saints. It can also join the ranks of Old Hollywood names, via the haunting actress Gene Tierney. ER actress Maura Tierney is a current surname bearer.

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The name Tierney peaked for girls at #1062 in 1993. The name is most popular in Missouri, Tennessee, and Tennessee. Tierney is occasionally used for boys in 2006.

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