The name of this language, in the language itself, is "Igpay Atinlay"
[DOC] [TLE] 12 Last Known Speakers Of A Language - Listverse [PAR] Mar 11, 2009 ... Fun Language Fact  Efforts to revive Cornish have been .... in in Yahi society to 
say ones own name, so Ishi's real name died with him.