Where did the family name magner come from?

The family name Magner is of Irish origin, derived from the Gaelic surname "Mac Conmhaigh," which means "son of Conmhaigh." It is associated with the ancient Gaelic nobility and may have originally referred to someone who was a descendant of a specific ancestor or clan leader. The name is primarily found in counties Cork and Kerry in Ireland. Over time, variations of the name have emerged, reflecting regional dialects and spellings.