The English titles “Sir” and “Dame” should never be used with a last name only. It’s “Sir Paul McCartney” or “Sir Paul,” but never “Sir McCartney.” Similarly, it’s “Dame Helen Mirren” or “Dame Helen,” but not “Dame Mirren.”
Sir / Dame
The English titles “Sir” and “Dame” should never be used with a last name only. It’s “Sir Paul McCartney” or “Sir Paul,” but never “Sir McCartney.” Similarly, it’s “Dame Helen Mirren” or “Dame Helen,” but not “Dame Mirren.”