Surname Mookaiah (Mookaiah 
) , in all the world, is a rare family name. The family name Mookaiah is habitual in Malaysia, where it is a rare surname, Singapore, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname. In absolute terms, it is commonest in Malaysia, India, and Singapore. Likewise, Mookaiah is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mookaiah | United Kingdom, India, Singapore, Malaysia, United States |