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