Cognomen Towsley (Towsley 
) , in all the world, is a rare last name. The cognomen Towsley is characteristic of Canada, where it is a rare surname, the United States, and New Zealand, where it is a very rare surname. Measured by absolute frequency, this name is the most popular in the United States, Canada, and the United Kingdom.
| VARIANT | COUNTRY |
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| Towsley | Canada, United States, New Zealand, United Kingdom, Honduras |
| don towsley animator and director (1912-1986), US (b. 1912) |
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| don towsley American computer scientist, US (b. 1949) |
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| charles d towsley Towsley, Charles D; class of 1885 |
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| gary willard towsley Ph.D. University of Rochester 1975 |
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| adam towsley Ph.D. University of Rochester 2012 |
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| matt towsley college basketball player (2004–2005) Montana State |
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| blake towsley American reality television participant, US (b. 1981) |
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