Last name Delacour (Delacour 
) , throughout the world, is quite a rare cognomen. The family name Delacour is habitual in Western Europe, particularly France, where it is quite a rare surname, Belgium, where it is a rare surname, and Switzerland. Not in comparison with a country's population, it is commonest in France, the United States, and the United Kingdom. Much less frequently, Delacour is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Delacour | United Kingdom, France, Australia, United States, Argentina |
| claude charles delacour d'ambézieux French politician (1733-1792), FR (b. 1733) |
|
|
| nicolas pierre antoine delacour French politician, FR (b. 1738) |
|
|
| alexandre-adolphe delacour French politician, FR (b. 1797) |
|
|
| charles delacour FR (b. 1795) |
|
|
| vincent delacour French composer, FR (b. 1808) |
|
|
| alfred delacour French playwright and librettist, FR (b. 1817) |
|
|
| albert delacour French politician (1825-1890), FR (b. 1825) |
|
|
|
jean théodore delacour French-American ornithologist (1890-1985), FR (b. 1890) |
|
| théodore auguste delacour FR (b. 1831) |
|
|
| josephine white delacour American physician and suffragist, the first woman physician in Delaware (about 1849 -1929), US (b. 1849) |
|
|
| charles delacour FR (b. 1843) |
|
|
| elizabeth delacour-bonnamour FR (b. 1852) |
|
|
| clovis delacour FR (b. 1859) |
|
|
| albert delacour French writer, FR (b. 1877) |
|
|
| reginald b. delacour American military personnel (1886-1948), US (b. 1886) |
|