"Variant of Christelle"
The name Christella is commonly a female name from the "French" origin.
Christella is built on the Christ- root found in Christina, Christine and Christa, with the -ella ending that also appears in feminine names such as Isabella and Rosella. Its form matches the French Christelle, with a final -a in place of the French -e, a pattern common in Latin-derived feminine names. The root itself goes back through Latin to Greek khristos, meaning anointed.
Christelle means "Alteration of Christine a Christian, formed by replacing the suffix Ane with the suffix -elle See CHRISTIANS Van Kristell, Kristelle".
The pronunciation of Christella is kris-TEL-uh.