Family name Birch-Samios (Birch-Samios 
) , throughout the world, is an extremely rare cognomen. The surname Birch-Samios is habitual in Australia and New Zealand, particularly Australia, where it is a very rare surname. Parts of the name also exists independently as a last name Birch, and a last name Samios.
| VARIANT | COUNTRY |
|---|---|
| Birch-Samios | Australia |