Cognomen Maddaiah (Maddaiah 
) , around the globe, is quite a rare surname. The cognomen Maddaiah is habitual in India, where it is a rare surname, and the United States, where it is an extremely rare surname. Likewise, Maddaiah is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Maddaiah | United States, India |