Cognomen Washko (Washko 
) , throughout the world, is a rare last name. The last name Washko is characteristic of the United States, where it is a rare surname, New Zealand, where it is a very rare surname, and Canada. In absolute terms, it is the most numerous in the United States, Canada, and Germany.
| george r washko researcher (ORCID 0000-0002-2712-0569) |
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| michelle m washko researcher |
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| bryan washko Master of Architecture, University of Washington |
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| susan washko researcher (ORCID 0000-0002-8748-7784) |
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| angela washko American artist, US (b. 1986) |
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