Deidre Is A Feminine Name Of Irish Origin That Is Sure To Help Baby Appreciate Mythology. A Variant Spelling Of Deirdre, This Name Translates To “broken-hearted” Or “sorrowful,” And Refers To The Tragic Heroine In Irish Mythology. Dierdre, Known As “Dierdre Of The Sorrows,” Lives A Life Involving A Dangerous Prophecy, Arranged Marriages, Fatal Fights, And Death By A Broken Heart. If You Appreciate The Power Of Stories—or Tend To Lean Toward The Macabre—and Want To Inspire Baby To Do The Same, Deidre Definitely Does The Job.