Family name Leiby (Leiby 
, 利比 
) , throughout the world, is quite a rare cognomen. The surname Leiby is characteristic of Honduras, where it is quite a rare surname, Venezuela, where it is a rare surname, and the United States. Likewise, Leiby is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Leiby | Honduras, Colombia, Guatemala, United States, Cuba |
| 利比 | China |
| betty leiby served in Red Cross during World War II, US (b. 1921) |
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| larry leiby American lawyer, US (b. 1947) |
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| jeanne m. leiby American writer and magazine editor (1964-2011), US (b. 1964) |
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| katherine l leiby researcher |
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| benjamin leiby researcher |
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| david a leiby researcher (ORCID 0000-0002-0596-7160) |
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