Eos -- that's pronounced with a short e like eros without the r -- is the Greek Titan of the dawn. Any ancient name with a sleek modern feel has definite revival possibilities. Eos could be an inventive way to honor grandma Dawn.
Means "nightingale" in Welsh
eos, lip balm that comes in egg-shaped containers ("Evolution of Smooth")
World of EOS Australia, photography site for Canon
Eos, a model of car made by Volkswagen
Eos, Star Wars lava planet