Surname Wilson-Mcclain (Wilson-Mcclain 
) , throughout the world, is an extremely rare last name. The family name Wilson-Mcclain 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 last name Wilson, and a last name Mcclain.
| VARIANT | COUNTRY |
|---|---|
| Wilson-Mcclain | United States |