Cognomen Nacius (Nacius 
) , across the world, is a rare family name. The last name Nacius is characteristic of Lithuania, where it is quite a rare surname, Haiti, and the Dominican Republic, where it is a rare surname. Measured by absolute frequency, this name is the most popular in Haiti, Lithuania, and the United States. Much less frequently, Nacius is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nacius | Brazil, United States, Lithuania, Haiti, Dominican Republic |
| nacius joseph Haitian artist, HT (b. 1939) |
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| samuel nacius association football player, HT (b. 1987) |
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Mr, Justin, Judith, Thomas, Nadine, Normil, Nelson, Vaidas, Wilson, Monique, Melanie, Michael, Aristin, Arigirl, Armando, Charles, Charlot, Kenneth, Richard, Dieunet, Gregory, Lysette, Jeanne, Dustin, Dafnie, Ronald, Ari, Jen, Mary, Mona, Alix, Anna, Kyle, Rick, Ryan, Leah, Joinisse, Lori, Marie, Amber, Randy, Devin, Tracy, Nelda, Melina, Sheila, Amalia, Ashley, Onel, and Jessica