noun

• A male given name from the Celtic languages.
• A surname originating as a patronymic.
• A number of places in the United States:
• A village in Illinois.
• A city in Iowa.
• A village, the county seat of Arthur County, Nebraska.
• A ghost town in Nevada.
• A city in North Dakota.
• A town and community in Wisconsin.
• A rural municipality in Manitoba, Canada.
• (Ireland, informal) Guinness stout.