Family name Demar-Lyles (Demar-Lyles 
) , all around the world, is an extremely rare last name. The last name Demar-Lyles is habitual in Northern America, particularly the United States, where it is an extremely rare surname. Parts of the name also exists independently as a first name Demar, and a last name Lyles.
| VARIANT | COUNTRY |
|---|---|
| Demar-Lyles | United States |