Family name Giles-Rowley (Giles-Rowley 
) , across the world, is an extremely rare cognomen. The surname Giles-Rowley is habitual in Northern Europe, particularly the United Kingdom, where it is an extremely rare surname. Parts of the name also exists independently as a last name Giles, and a last name Rowley.
| VARIANT | COUNTRY |
|---|---|
| Giles-Rowley | United Kingdom |