Surname Benton-Manley (Benton-Manley 
) , in the entire world, is an extremely rare family name. The last name Benton-Manley is characteristic of Northern America, particularly the United States, where it is an extremely rare surname. Parts of the name also exists independently as a last name Benton, and a last name Manley.
| VARIANT | COUNTRY |
|---|---|
| Benton-Manley | United States |