Surname Daba-Ay (Daba-Ay 
) , in the world, is a very rare family name. The cognomen Daba-Ay is habitual in Philippines, where it is a very rare surname, and the United States, where it is an extremely rare surname. Parts of the name also exists independently as a first name Daba, and a last name Ay.
| VARIANT | COUNTRY |
|---|---|
| Daba-Ay | United States, Philippines |