This is an invented literary name, from character Ellaria Sand in HBO’s adaptation of George R.R. Martin’s Game of Thrones. Ellaria was an evil, murdering character, but since this is a made-up name, you can tell your little Ellaria it means “sweet girl who always obeys her parents because they know best.”
Elle, Ellie, Lari, Laria, Ari, Aria.
Famous people named Ellaria:
The only one at this point is fictional!
Trivia tidbit for you Game of Thrones fans: After the iconic scene where Ellaria Sand is shackled helplessly while Cersei Lannister poisons her daughter, the crew actually had to use a saw to remove actress Indira Varma (Ellaria)'s shackles.