Cognomen Hilaire (Hilaire 
, Hilarius 
, Илер 
) , in all the world, is a common family name. The surname Hilaire is characteristic of Latin America and the Caribbean, particularly Dominica, where it is a common surname, Saint Lucia, where it is quite a common surname, and Haiti (explore the name in all countries). Not in comparison with a country's population, it most frequently occurs in France, Haiti, and the United States. Also, Hilaire is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hilaire | Cameroon, Ivory Coast, Haiti, France, Democratic Republic of the Congo |
| Hilarius | Germany, Indonesia, United States, India, France |
| Илер | Kyrgyzstan, Russia, Bulgaria |
| هيلاري | Iraq |
| antoine-théodore de hilaire BE (b. 1650) |
|
|
| jean françois hilaire French official (1750-1825), FR (b. 1750) |
|
|
| jacques bernard hilaire French politician, FR (b. 1753) |
|
|
| jean baptiste hilaire French painter, FR (b. 1753) |
|
|
| charles joseph francois villain de st. hilaire (b. 1759) |
|
|
|
camille hilaire french painter, FR (b. 1916) |
|
| andrew hilaire American jazz drummers, US (b. 1899) |
|
|
| georges hilaire French official, FR (b. 1900) |
|
|
|
laurent hilaire French ballet dancer, FR (b. 1962) |
|
| yves-marie hilaire French historian (1927-2014), FR (b. 1927) |
|
|
| jean hilaire French legal historian (b. 1927) |
|
|
|
ernest hilaire Saint Lucian politician, LC |
|
| jeannot hilaire Haitian writer, HT (b. 1945) |
|
|
| jean-louis hilaire French politician, FR (b. 1945) |
|
|
| guy hilaire French politician, FR (b. 1949) |
|