Surname Mcghan (Mcghan 
) , all over the world, is a rare family name. The last name Mcghan is habitual in Jamaica, where it is quite a rare surname, the United States, where it is a rare surname, and Canada. Measured by absolute frequency, this name is the most popular in the United States, Jamaica, and the United Kingdom.
| VARIANT | COUNTRY |
|---|---|
| Mcghan | Australia, Canada, Jamaica, United Kingdom, United States |