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Cognomen Thornley (Thornley
) , worldwide, is quite a common family name. The surname Thornley is habitual in the United Kingdom, where it is quite a rare surname, New Zealand, and Malta. Not in comparison with a country's population, it is commonest in the United Kingdom, the United States, and Australia. Very seldom, Thornley is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thornley | Canada, New Zealand, Australia, United States, United Kingdom |