Just to add to this, Archie Roach, an iconic First Nations singer recently died. His family gave permission to use his first name in press.

In contrast, another iconic singer by last name Yunupingu died a few years ago as well. He was known by his first name in life, but not in death.

You should read up on this if you are interested. The idea that the first council of nicea chose what books were canon is a myth.

Quick edit to suggest Bart Ehrman as a good source of early Christianity and textual criticism articles