Last name Orby (Orby 
) , in the entire world, is a rare cognomen. The last name Orby is habitual in Israel, where it is a rare surname, Norway, and Nicaragua. Measured by absolute frequency, it most frequently occurs in Israel, Egypt, and Norway. Also, Orby is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Orby | Philippines, Norway, Egypt, United States, Israel |
| anne orby (died 1683) (b. 1609) |
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| elizabeth orby Peerage person ID=459843 (b. 1686) |
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gunnar orby Norwegian bus driver, WW2 saboteur, resistance fighter (b. 1908) |
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| peter orby Peerage person ID=128014 |
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