Family name Deasley (Deasley 
) , in the entire world, is a rare surname. The cognomen Deasley is characteristic of Ireland, where it is a rare surname, the United Kingdom, where it is a very rare surname, and Canada. Not in comparison with a country's population, it is commonest in the United Kingdom, the United States, and Canada. Much less frequently, Deasley is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Deasley | United Kingdom, Australia, Ireland, United States, Canada |
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pat deasley Canadian baseball player (1857-1943), US (b. 1857) |
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| john deasley American baseball player, US (b. 1861) |
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| bryan deasley Canadian ice hockey player, CA (b. 1968) |
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| bryan deasley Scottish footballer (born 1988), GB (b. 1988) |
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Mr, Ralph, David, Datyn, Drake, Laura, Linda, James, Joyce, Jenny, Julia, Taryn, Tommy, Naomi, Earma, Wendy, Áine, Martha, Maisie, Sharon, Steven, Amanda, Peter, Robert, Patsy, Craig, Ms, Sam, Rob, Lex, Jan, Mary, Sara, Alex, Rick, Ryan, Lisa, Jane, John, Nina, Emma, Meshe, Sally, Sarah, Steve, Alexa, Amber, Bryan, and Dwayne