The name Adela is a girl's name of German origin meaning "noble". Adela and is often added to lists like Royal Names for Girls and discussed in our forums with posts like "Names on NB that make you go WOW!".
From the experts:
This variation of Adele sounds somewhat more feminine than the original by virtue of the a- ending. It could join the army of popular A girls' names, especially with its tie to the recent celebrity-related success of Adele.
Adela, which came to England with the Normans in the eleventh century, has a royal pedigree via William the Conqueror's youngest daughter.
Adela Quested is a character in E. M. Foster's novel A Passage to India, and the name also appears in an Agatha Christie story. Journalist/novelist/screenwriter Adela Rogers St. .Johns was a colorful character in Golden Age Hollywood.