Blow up a balloon, cover it in doilies using a craft glue. When it's dry, pop the balloon & you have an awesome decoration. Bet you could use it as the lampshade on a small pendant light, too. Great-gramma's and my MIL's doilies may find another use.
I've noticed more and more that people get rid of doilies either by thrifting them, giving them away for free, or throwing them out. Here's a creative and unique looking idea for a light shade using doilies.