Family name Crust (Crust 
, Crusta 
) , all around the world, is quite a rare last name. The last name Crust is characteristic of Australia, where it is a rare surname, Taiwan, and the United Kingdom. Not in comparison with a country's population, it most frequently occurs in the United States, Indonesia, and the United Kingdom. Very seldom, Crust is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Crust | Taiwan, Australia, Indonesia, United States, United Kingdom |
| Crusta | Brazil, United States, Argentina |
| john crust (1702-1751) (b. 1702) |
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| robert crust (1737-1802) (b. 1737) |
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| richard crust (born 1776) (b. 1776) |
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| richard crust (1788-1833) (b. 1788) |
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| samuel crust (1818-1892) (b. 1818) |
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| samuel crust (born 1824) (b. 1824) |
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| phoebe crust (1849-1934) (b. 1849) |
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| lucy ann crust (born 1849) (b. 1849) |
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| charles crust (died 1718) |
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| richard crust (died 1805) |
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