The story
- Irish · derived fromMac Rabhartaigh“son of Rabhartach”
- English todayMcGroarty
Anglicized form of Scottish Gaelic and Irish Mac Rabhartaigh (“son of Rabhartach”), a byname from rabhartach (“having high tides, surging, swelling; vehement, impetuous”).
Etymology from Wiktionary, CC BY-SA 4.0.