Family name Coolsaet (Coolsaet 
) , in the entire world, is a rare cognomen. The last name Coolsaet is habitual in Belgium, where it is quite a rare surname, France, where it is a rare surname, and Canada, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in Belgium, France, and the United States.
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| Coolsaet | Belgium, Germany, France, Canada, United States |
| louis coolsaet cyclist (1884-1941), FR (b. 1884) |
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rik coolsaet Belgian academic, BE (b. 1951) |
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| jozef coolsaet (b. 1923) |
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| marcel coolsaet BE (b. 1927) |
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| willy coolsaet (b. 1938) |
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| bo coolsaet BE (b. 1939) |
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| ann coolsaet Belgian politician and lawyer, BE (b. 1971) |
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| kris coolsaet (b. 1963) |
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| brendan coolsaet researcher ORCID ID = 0000-0001-8800-3609 |
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| kris coolsaet Dr. Universiteit Gent 2006 |
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Mr, Nele, Hugo, Yves, Marie, Megan, Missy, Mylee, Sammy, Susan, Seppe, Stijn, Alice, Alain, Allan, Aswin, Chris, Carlo, Cindy, Karin, Robin, Glenn, Nina, Nils, Jona, Lily, Ms, Bo, Ann, Amy, Rik, Luc, Wim, Marc, Mary, Sara, Lieve, Suzy, Adam, Bert, Bram, Koen, Ross, Reid, Remi, Davy, Gino, Leen, Anne, and Lowie