Dinneen is a unique and distinctive given name of Irish origin, derived from an ancient sept name Ó Duibhinn, which means 'descendant of the dark or black-haired one'. It was borne by several notable individuals throughout history, including Dinneen's Irish Dictionary compiler, Patrick S. Dinneen. The name has a rich cultural heritage and is often associated with the Emerald Isle's vibrant traditions.
The year 1969 saw five babies named Dinneen born. Altogether, there have been just five children given this name.