Cognomen Callil (Callil 
) , in the entire world, is a rare last name. The family name Callil is habitual in Australia, where it is a rare surname, Brazil, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname. Much less frequently, Callil is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Callil | United Kingdom, Australia, South Africa, Brazil, United States |
| carmen callil Australian publisher, writer and critic (1938 –2022), AU (b. 1938) |
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| maria rosária silva callil person identified in the Museu da Pessoa collection, BR (b. 1960) |
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| claudia t. callil Brazilian malacologist |
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Mr, Jamil, Jamie, Jorge, Thais, Nadir, Nader, Neide, Fabio, Zelia, Marisa, Marcia, Sheila, Ananda, Anahid, Arthur, Aguido, Carlos, Carmen, Clesio, Kleber, Denise, David, Ramza, Pedro, Peter, Ms, Ana, Mark, Anna, Abdo, Pete, Phil, Greg, Jack, Joao, George, Nick, Igor, Maria, Mauro, Sarah, Aline, Andre, Chris, Bruna, Paula, Paulo, Emma, and Jacqui