I just think it is very interesting how this name managed to stay overwhelmingly male in the United States despite having been the name of two very famous women, one fictional, one real:
Dale Arden, the love interest of Flash
Gordonhttps://flashgordon.fandom.com/wiki/Dale_Arden
and
Dale Evans, actress, singer, and wife of
Roy Rogers
https://en.wikipedia.org/wiki/Dale_Evans