Last name De Gaetano (De Gaetano 
) , around the world, is quite a rare family name. The family name De Gaetano is habitual in Malta, where it is quite a rare surname, Italy, and Argentina. Measured by absolute frequency, the name is most common in Italy, Argentina, and France.
| VARIANT | COUNTRY |
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| De Gaetano | Italy, Argentina, Malta, United States, France |
| luigi de gaetano IT (b. 1868) |
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| antonio de gaetano Italian racewalker, IT (b. 1934) |
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| giuseppe de gaetano athletics competitor, IT (b. 1966) |
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| sylvie de gaetano French politician, FR (b. 1971) |
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| monica de gaetano researcher |
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Sam, Gaby, Gino, Lisa, Lola, Luca, Luis, Jose, John, Juan, Tony, Tina, Naty, Nino, Nora, Noel, Elio, Elsa, Enzo, Enza, Vito, Irma, Dora, Ivan, Ruth, Reby, Ana, Lia, Ida, Mary, Mark, Mara, Maia, Sara, Alba, Aldo, Anna, Agos, Aida, Cami, Cira, Ciro, Kate, Pina, Pino, Raul, Rosa, Rita, and Imma