Anthroponym

Anthroponomastics (or anthroponymy) is the study of the names of human beings. The study of anthroponyms (<Gk. ἄνθρωπος anthrōpos, 'human', + ὄνομα onoma, 'name'), is a branch of onomastics. Besides linguists, researchers in many fields take part in anthroponymic studies, including anthropologists, historians, political geographers and genealogists.

The subdivisions of anthroponymy include:

...
Wikipedia