Surname Блэр (Blair 
, Blaire 
, Bler 
) , worldwide, is a widespread family name. The cognomen Блэр is habitual in Jamaica, where it is a common surname, Jersey, where it is quite a common surname, and Antigua and Barbuda (explore the name in all countries). In absolute terms, it most frequently occurs in the United States, the United Kingdom, and Canada. Also, Блэр is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Blair | United Kingdom, Australia, Canada, United States, Jamaica |
| Blaire | United Kingdom, Australia, Canada, United States, Democratic Republic of the Congo |
| Bler | United Kingdom, Indonesia, United States, Democratic Republic of the Congo, France |
| Блэр | Russia |