Cognomen เจอร์ราด (Jerad 
, Gerad 
, Gerrad ) , globally, is quite a rare surname. The cognomen เจอร์ราด is habitual in Tanzania, where it is quite a rare surname, Tunisia, and Sri Lanka. Not in comparison with a country's population, it is commonest in Tanzania, Indonesia, and Sri Lanka. More prevalently, เจอร์ราด is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jerad | Tanzania, United States, Malaysia, Sri Lanka, India |
| Gerad | Tanzania, Indonesia, United States, Sri Lanka, India |
| Gerrad | Tanzania, Indonesia, United States, Malaysia, India |
| เจอร์ราด | Thailand |