All around the world, Horan-Maybaum (Horan-Maybaum 
) is an extremely rare unknown gender forename. Much more frequently, Horan-Maybaum is the last name as well as the forename. Parts of the name also exists independently as a last name Horan, and a last name Maybaum.
| VARIANT | COUNTRY |
|---|---|
| Horan-Maybaum | Ireland |