Surname Adag (Haddock 
, Adag 
) , in the world, is a common last name. The family name Adag is habitual in Isle of Man, where it is quite a common surname, Puerto Rico, where it is quite a rare surname, and the United Kingdom. In absolute terms, the name is most common in the United States, the United Kingdom, and Australia.
| VARIANT | COUNTRY |
|---|---|
| Haddock | Australia, United Kingdom, Canada, United States, Puerto Rico |
| Adag | Philippines, Australia, United Kingdom, United States, Morocco |
Tin, Renato, Restie, Dexter, Jethro, Evelyn, Hassan, Felipe, Ilknur, Mohamed, Alfonso, Alponce, Annabel, Annalyn, Charina, Precila, Gan-Gan, Lavinia, Letecia, Lilanee, Lourdes, Jocelyn, Rafael, Jeffrey, Pitado, Patoki, Mike, Rede, Joel, Jodi, Mario, Amzar, Aiden, Chuck, Pablo, Ponce, Damla, Luisa, Jason, Erwin, Wilma, Monica, Sandra, Andres, Annika, Cherry, Cheryl, Pacita, and Nicolas