Cognomen Michael Isaac (Michael Isaac 
) , across the world, is a rare surname. The last name Michael Isaac is habitual in Gambia, where it is quite a rare surname, and Chile, where it is a very rare surname. Likewise, Michael Isaac is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Michael Isaac | Philippines, Gambia, Chile, Ecuador, Costa Rica |