Surname Garrah (Garrah 
) , in the world, is a rare cognomen. The family name Garrah is habitual in Canada, where it is a rare surname, New Zealand, and Egypt, where it is a very rare surname. Measured by absolute frequency, the name is most common in Canada, Egypt, and the United States. Very seldom, Garrah is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Garrah | Egypt, Kuwait, United States, Canada, New Zealand |