"Variant of Odilia"
The name Otilia is commonly a female name from the "Spanish" origin.
Otilia is a variant of Odilia, a Latinized form of the Old High German name Odila, built on the element ot, meaning wealth or inherited property. The same root underlies the German Ottilie and the French Odile, and the name is carried in Spanish, Portuguese, Romanian and Polish use as Otilia or Otylia. The Latinized Odilia is recorded as the name of the seventh-century saint venerated in Alsace.
Odilia means "I will praise God, Praise to God; Wealthy, Little; One who lives in the valley. A feminine form of Odell.".
The pronunciation of Otilia is oh-TEE-lee-uh.