Dennehy
Dennehy is a surname of Irish origin. The original form in Irish is Ó Duineachdha, meaning descendant of Duineachaidh, who was a chieftain who fought the Danes in Limerick in 934. The name may mean "humane", or may mean "man from the fairy hills". Spelling variations include Denehy, Dennehey, Danahy, Deniehy, and Denahy. The name may refer to: