Last name Bayley-Hay (Bayley-Hay 
) , across the world, is a very rare family name. The surname Bayley-Hay is habitual in Jamaica, where it is quite a rare surname, Canada, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname. In absolute terms, it is commonest in Jamaica, the United States, and Canada. Parts of the name also exists independently as a last name Bayley, and a first name Hay.
| VARIANT | COUNTRY |
|---|---|
| Bayley-Hay | United Kingdom, Canada, United States, Jamaica |