Last name Tweeddale (Tweeddale 
) , globally, is a rare cognomen. The family name Tweeddale is habitual in Australia, where it is a rare surname, New Zealand, and the United Kingdom, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in the United States, Australia, and the United Kingdom.
| VARIANT | COUNTRY |
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| Tweeddale | United Kingdom, South Africa, Australia, United States, Canada |
| john f. tweeddale Canadian politician, CA (b. 1855) |
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| ernie tweeddale cricketer (1895-1956), AU (b. 1895) |
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| russell tweeddale Australian footballer (b. 1954) |
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| stina tweeddale british songwriter, GB (b. 1989) |
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