Surname Cailao (Cailao 
) , across the world, is quite a rare family name. The surname Cailao is habitual in Philippines, where it is quite a rare surname, United Arab Emirates, where it is a rare surname, and Saudi Arabia. Measured by absolute frequency, it is the most numerous in Philippines, Saudi Arabia, and the United States. Very seldom, Cailao is the forename as well as the last name.
Ma, Ruby, Ryan, Gina, Leth, Jose, John, Joni, Joan, Joel, Jojo, Tony, Nick, Nida, Nona, Elsa, Elma, Eden, Eddy, Eric, Emma, Zyra, Roel, Roda, Rosa, Bien, Jm, Ed, Fe, Mia, Ann, Gil, Leo, Lee, Job, Jel, Maria, Jun, Yen, Mark, Maia, Macy, Mina, Myra, Alex, Alma, Aris, Afsi, Ivy, and Mario