Family name Yack (Yack 
) , worldwide, is a rare surname. The last name Yack is characteristic of Guatemala, where it is quite a rare surname, the Dominican Republic, where it is a rare surname, and Canada. Measured by absolute frequency, it most frequently occurs in Guatemala, the United States, and Philippines. Likewise, Yack is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yack | Philippines, Guatemala, Taiwan, United States, Peru |
|
bernard yack American political theorist, US (b. 1952) |
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| david yack (b. 1965) |
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| jayne e yack researcher |
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