“Has this been confirmed? I cannot find any report of his death other that the FR links to obscure sources. According to Wikipedia and George Mason University, he is still alive and doing we he does best — teach, write, and lecture.”
Wiki is showing his passing.
https://en.wikipedia.org/wiki/Walter_E._Williams
But you are correct, there is very little reporting on this.
Wiki must have just updated because of 10:45 am, he was still alive.