Family name Byrdy (Byrdy 
) , in all the world, is a rare last name. The family name Byrdy is characteristic of Poland, where it is a rare surname, Hungary, where it is a very rare surname, and Australia. Measured by absolute frequency, this name is the most popular in Poland, the United States, and France. More prevalently, Byrdy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Byrdy | Poland, France, Germany, United States, Hungary |
| maria byrdy Polish physician (1910-1997) (b. 1910) |
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| stanisław byrdy (b. 1913) |
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| łukasz piotr byrdy Polish classical pianist, PL (b. 1994) |
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