For De Cecco there are 64 on Yasni with different names.
Among the most common last names on Yasni De Cecco is on position 4463.
De, Means Of.
(Sent from: Nunziante De Filippo)
Cecco is the short form or nickname for Francesco, which means "the Frenchman." Thus, one could freely Cecco as "Frank" and "Franz" translate.
(Sent from: Holger Cecco)