Surname La Hay (La Hay 
) , across the world, is a very rare last name. The last name La Hay is characteristic of Canada, where it is a very rare surname, Australia, and France, where it is an extremely rare surname. Not in comparison with a country's population, this name is the most popular in Canada, Australia, and the United States.
| VARIANT | COUNTRY |
|---|---|
| La Hay | United Kingdom, Australia, Canada, United States, France |