Around the globe, Hollay-Detarr (Hollay-Detarr 
) is an extremely rare unknown gender given name. Predominantly, Hollay-Detarr is the last name as well as the forename. Parts of the name also exists independently as a last name Hollay, and a last name Detarr.
| VARIANT | COUNTRY |
|---|---|
| Hollay-Detarr | United States |