There are multiple origins and translations for the name Dean:
1. Derived from the Latin word decanus which comes from the ancient Greek δέκα [theka] means - "head of a group of ten".
2. Old English name means - "valley". Derivative form of the name Denton semantics - "valley settlement".
3. Shortened form of the name Denis - "follower of Dionysus" or of Daniel - "God is my judge (Dan)".