Cognomen Jonassaint (Jonassaint 
) , globally, is a rare family name. The surname Jonassaint is habitual in the United States, where it is a very rare surname, Canada, where it is an extremely rare surname, and Nigeria. Much less frequently, Jonassaint is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Jonassaint | Brazil, Canada, Philippines, Nigeria, United States |
| émile jonassaint Haitian politician (1913-1995), HT (b. 1913) |
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| jean jonassaint Haitian writer, HT (b. 1950) |
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| jude c jonassaint researcher (ORCID 0000-0001-5103-5594) |
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| charles r. jonassaint researcher |
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Mac, Abner, Ajoma, Caleb, Kaina, Laura, Leana, Lison, Lucie, Lucet, Janee, Johny, Joram, Joyce, Thony, Elise, Emile, Harry, Michel, Samuel, Shelia, Sheila, Abson, Alina, Steve, Marie, Ana, Bob, Luc, Wes, Marc, Maxo, Sony, Bria, Paul, Pete, Alyssa, Rose, Rina, Ruth, Gino, Gwen, Jean, Jude, Nina, Nely, Elie, Maria, Remy, and Amelie