Addy, Lina, Dell.
Famous people named Adeline:
Adeline Virginia Stephen (a.k.a. writer Virginia Woolf); professional ballet dancer Dame Adeline Genée.
It was widely popular a hundred years ago, dropped out of favor, and then saw a resurgence like many antiquated names have within the last few years, as the current trend is to name your daughter something that was common before the invention of the telephone.