Danish equivalent of Katherine. It was first introduced to the English-speaking world by Scandinavian settlers in America; it has been used in Britain only since the 1940s, but had become very popular by the 1960s.
English and Welsh: patronymic from the Middle English personal name Jon(e) (see John). The surname is especially common in Wales and southern central England. In North America this name has absorbed various cognate and like-sounding surnames from other languages. (For forms, see Hanks and Hodges 1988).