Cognomen Piiri (Piiri 
) , globally, is a very rare family name. The family name Piiri is habitual in Estonia, where it is quite a rare surname, Finland, where it is a rare surname, and India, where it is an extremely rare surname. Very seldom, Piiri is the forename as well as the last name.
| reet piiri Estonian ethnologist and historian, EE (b. 1955) |
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