Last name Duplessie (Duplessie 
) , all over the world, is a rare family name. The cognomen Duplessie is habitual in Canada, where it is a rare surname, the United States, where it is a very rare surname, and South Africa, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Duplessie | South Africa, United States, Canada |
| michael duplessie researcher |
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| robert w. duplessie American politician, US |
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| thomas duplessie CA (b. 1990) |
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