Manx is the demonym for people from the Isle of Man. It's odd to see it written "Isle of Manx" in a list of other demonyms, but the word Manx itself is far from

Manx is the demonym for people from the Isle of Man. It's odd to see it written "Isle of Manx" in a list of other demonyms, but the word Manx itself is far from modern. https://en.wikipedia.org/wiki/Manx_people https://en.wikipedia.org/wiki/Manx_people