Cognomen Glassco (Glassco 
) , worldwide, is a rare family name. The last name Glassco is characteristic of Canada, where it is a rare surname, the United States, and Switzerland, where it is a very rare surname.
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| Glassco | Switzerland, Canada, United Kingdom, United States |
| gerald glassco Canadian psychiatrist (b. 1871) |
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| john glassco Canadian writer (1909-1981), CA (b. 1909) |
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| bill glassco Canadian theatre director (1935-2004), CA (b. 1935) |
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| briony glassco actor, CA (b. 1950) |
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| claire glassco Peerage person ID=629056 |
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| bruce glassco American game designer and science fiction writer |
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| lindsay glassco ex lead for CARE International and Special Olympics Canada |
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| donald edward glassco, ii Ph.D. University of Southern California 1971 |
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| george frederick glassco |
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