Last name Morgan-Thomas (Morgan-Thomas 
) , across the world, is a very rare family name. The cognomen Morgan-Thomas is habitual in Australia, where it is a very rare surname, the United Kingdom, and the United States, where it is an extremely rare surname. Parts of the name also exists independently as a last name Morgan, and a first name Thomas.
| VARIANT | COUNTRY |
|---|---|
| Morgan-Thomas | Australia, United Kingdom, United States |