Cognomen Jay Ralph (Jay Ralph 
) , in the entire world, is an extremely rare last name. Much more frequently, Jay Ralph is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jay Ralph | Philippines |
Cao, Atadero, Atienza, Cachero, Cledera, Patanao, Jumamil, Matobato, Maldicas, Carreras, Castillo, Catindoy, Llantino, Juntilla, Valledor, Villegas, Sarmiento, Carbonell, Rivamonte, Mandalunes, Antisoda, Almaras, Alcayde, Soronio, Arao, Doro, Erfe, Ocon, Ampan, Cheng, Canam, Resma, Rebao, Panogalinga, Sardua, Cabiao, Cagalpin, Lauren, Lallen, Evasco, Macadat, Montesa, Morales, Sirilan, Arceno, and De La Torre