Family name Madden-Davis (Madden-Davis 
) , in all the world, is an extremely rare cognomen. The last name Madden-Davis 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 Madden, and a last name Davis.
| VARIANT | COUNTRY |
|---|---|
| Madden-Davis | United States |