Last name Garness (Garness 
) , throughout the world, is a rare cognomen. The surname Garness is characteristic of Saint Lucia, where it is quite a common surname, the United Kingdom, where it is a rare surname, and Australia. Not in comparison with a country's population, this name is the most popular in the United States, the United Kingdom, and Saint Lucia. Much less frequently, Garness is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Garness | Canada, United Kingdom, United States, Saint Lucia, Australia |