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There are approximately 1,744 people named Tiernan in the UK. That makes it the 4,997th most common surname overall. Out of every million people in the UK, approximately 28 are named Tiernan.

Region of origin

British Isles

Country of origin

Ireland

Language of origin

Gaelic

Religion of origin

Christian

Classification

Celtic
From given name or forename

Related and similar surnames

Ternan
Teirnan
Tearnan
Teernan
Ternane
Tarnan
Tergnan
Ternain
Tarnann
Ternant
Ternand
Taernene
Ternance
Ternandt
Ternants
Terneni
Terenan
Terinan
Tarnant
Teirnam

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