1) Scottish boy name 
Mackay is a Scottish surname which can refer to: ==Places== ==People== ...
city, eastern coast of Queensland, Australia, at the mouth of the Pioneer River. Its deepwater artificial port has one of the world`s largest ...
Type: Term Pronunciation: mă-kā′ Definitions: 1. Ralph Stuart, 20th-century U.S. physicist. See: Mackay-Marg tonometer