Yadelis appears to be a modern form related to Adel- names from Germanic roots meaning noble.
Yadelis appears to be a modern form related to Adel- names from Germanic roots meaning noble. That noble thread gives the name a refined background, even though the current spelling is clearly shaped by contemporary taste.
The name feels decorative, modern, and softly regal. Yadelis has a melodic quality that makes it sound graceful, while the noble root keeps it from feeling purely invented. It belongs to the modern category of names that borrow prestige through sound and structure.