why are prehistoric human remains sometimes given proper names (IE Lucy, Ötzi, etc) and sometimes just called "place found" Man (IE Boxgrove Man, Cheddar Man, Lindow Man, etc)?

by grapp

I picked all examples from before 1996

Searocksandtrees

Hiya /u/grapp, this question may be worth x-posting to /r/AskAnthropology