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Cognomen Siffer (صفر
, Cifre
, Cifra
) , throughout the world, is a common surname. The last name Siffer is habitual in Slovakia, where it is quite a rare surname, Saudi Arabia, and Spain. Not in comparison with a country's population, it most frequently occurs in Philippines, Saudi Arabia, and Spain. More frequently, Siffer is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| صفر | Saudi Arabia, Iraq, Egypt, Sudan, Iran |
| Cifre | Spain, Philippines, France, United States, Argentina |
| Cifra | Spain, Philippines, France, Slovakia, Argentina |
| Siffer | France, Slovakia, Hungary, United States, Argentina |
Mr, Abdou, Pablo, Ramon, Roger, Renee, David, Diego, Laura, Lidia, Louis, Jacky, Jamie, Jorge, Tania, Elisa, Erwan, Oscar, Martin, Matias, Moumen, Anetta, Ariel, Arthur, Alvin, Sarah, Ms, Al, Amy, Lou, Mark, Alan, Aziz, Reda, Lara, Lori, Jake, Jose, John, Jodi, Jean, Eric, Olga, Yves, Maria, Mehdi, Mieke, Alban, and Amelia