Family name แมคคอย (แมคคอย 
) , all over the world, is an extremely rare cognomen. The cognomen แมคคอย is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, แมคคอย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| แมคคอย | Thailand |