From Namespedia - Names Meaning and Origins
Name: Deodatta (देवदत्त)
Meaning: Gift from God (or literally, presented by God, as Deo = God and Datta = presented). There is remarkable similarity between the Sanskrit word "Deodatta" (देवदत्त, also spelled as Devadatta) and the Latin word "Deo Datus", which also has an identical meaning. Deo Datus is also written as Deodatus, Adeodatus, Deodat and Deusdedit. This name was borne by several saints in Catholic religion. In Bhagvad Geeta, the conch shell used by Arjuna on the battle-field of Kurukshetra was called Deodatta. In Hindu religion, Deodatta is the name of Holy Trinity (or Trimurti) that comprises Bramha (Creator of Universe), Vishnu (Protector of Universe) and Shiva (Destroyer of the evil in Universe). Bodhisatva's brother was named Deodatta, per the stories and literature about Goutam Buddha.
Common last names associated with the name Deodatta - (based on Google search) - are: Anand, Apte, Bendre, Bhoite, Dabholkar, Gabale, Kamat, Khatkhate, Nabar, Pendse, Rege, Sable, Shenai, Shenai-Khatkhate, Tilak, Wagle.
Common Professions for people named Deodatta: Actor, Artist, Chemical Engineer, Chemist, Dentist, Director, Doctor, Engineer, Inventor, IT, Management specialist, Scientist and Writer.