Surname Horan-Maybaum (Horan-Maybaum 
) , all around the world, is an extremely rare family name. The surname Horan-Maybaum is characteristic of Northern Europe, particularly Ireland, where it is a rare surname. Parts of the name also exists independently as a last name Horan, and a last name Maybaum.
| VARIANT | COUNTRY |
|---|---|
| Horan-Maybaum | Ireland |