Angus \a-ngus, an-gus\ as a boy's name is pronounced ANG-guss. It is of Celtic origin, and the meaning of Angus is "one choice". Scottish: Anglicized form of the Gaelic name Aonghus or Aonghas. Celtic mythology: Angus Og is a god of attractive traits such as humor and wisdom. Also the name of an eighth-century Pictish king known as Onnust or Hungus. In America, the name tends to be associated with breeds of cattle such as the Black Angus. Pet form Angie is pronounced 'AN-ghee' in Scottish, representing Gaelic Angaidh.
For more information, see also the related name Aeneas.