The name Deirdre is a girl's name of Irish origin meaning "sorrowful". Deirdre and is often added to lists like Irish Baby Names for Girls and discussed in our forums with posts like "New: Movie Title Family Name Game!".
From the experts:
Sadly, this strong Celtic name often has "of the sorrows" attached to it because of the tragic character in Irish legend. Also a bit drab when compared with newer Irish imports.