I don't think some of these are so bad!
Fanny, Gertrude, Gladys, Margery, Marjorie, Muriel, Cecil, Rowland, Willie, Bertha and Blodwen are "extinct" names in the UK - meaning none have been recorded in the latest record of births.
From the Telegraph: www.telegraph.co.uk/news/newstopics/howaboutthat/10742357/Help-Dorothy-Edna-Fred-and-Walter-are-all-in-danger.html