Family name Guelpa (Guelpa 
) , throughout the world, is a rare cognomen. The surname Guelpa is habitual in Switzerland, where it is a rare surname, Italy, and France. Measured by absolute frequency, this name is the most popular in France, Italy, and Argentina. Much less frequently, Guelpa is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Guelpa | Italy, Argentina, South Africa, Democratic Republic of the Congo, France |
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william guelpa French doctor who was born in Italy 1850-1930, IT (b. 1850) |
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| luigi guelpa Italian politician (1843-1911), IT (b. 1843) |
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| robert guelpa French rower, FR (b. 1900) |
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| hugues guelpa cyclist, IT (b. 1920) |
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anja wyden guelpa Swiss politician, CH (b. 1973) |
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| patrick guelpa (b. 1949) |
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| christophe guelpa French sports shooter, FR (b. 1963) |
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| luigi guelpa IT (b. 1971) |
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| séverin guelpa CH (b. 1974) |
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Mr, Emma, Hugo, Olga, Maria, Marie, Mario, Marta, Manon, Mauro, Sarah, Susan, Sonia, Alain, Andre, Angel, Annie, Anina, Carlo, Carla, Celia, Bruno, Eric, Nina, Todd, Joao, Ms, Ed, S K, Ana, Leo, Eva, Mara, Mike, Sara, Anna, Keith, Anja, Rosa, Remi, Dean, Leon, Lisa, Lois, Luca, Luis, Luiz, Jose, Paul, and Kevin