Family name Tredway (Tredway 
) , around the globe, is quite a rare cognomen. The family name Tredway is habitual in the United States, where it is a rare surname, New Zealand, and Canada, where it is a very rare surname. Measured by absolute frequency, it most frequently occurs in the United States, South Africa, and Canada.
| VARIANT | COUNTRY |
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| Tredway | United Kingdom, United States, Australia, South Africa, Canada |
| lettice mary tredway English canoness regular and abbess (b. 1595) |
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| william tredway American politician (1807-1891), US (b. 1807) |
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| william tredway Canadian politician, CA (b. 1833) |
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| gilbert r. tredway historian, US (b. 1922) |
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aaron tredway American soccer player, US (b. 1976) |
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| tony tredway artist |
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| elizabeth tredway Peerage person ID=593096 |
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| susannah tredway Peerage person ID=470880 |
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| thomas tredway Peerage person ID=470881 |
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