Q: Context: McGee or McKee (Irish: Mac Aodha, meaning "son of Aodh") is an English language surname of Irish and Scottish Gaelic origin. The McGee were a chieftain clan of the Ulaid, of which their territory corresponded to the Islandmagee peninsula in modern-day County Antrim, Northern Ireland. It is also anglicised as "McCoy".

Question: where does the last name mcgee come from?
Let's give stream of consciousness below
The relevant sentence in the passage is: McGee or McKee (Irish: Mac Aodha, meaning "son of Aodh") is an English language surname of Irish and Scottish Gaelic origin. So the answer is Irish and Scottish Gaelic origin.