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: from the Anglo-Norman French personal name Auvery, a Norman form of Alfred. It could also be from a variant of the Anglo-Norman French personal name Aubri (see Aubrey). At least in the case of the original Puritan settlers in New England, there has been some confusion with Averill.