Abraham heard that God is the almighty God. Moses heard that God is the I Am, that I Am. Jacob seeks diligently for the name only to hear that the name is secret. And the same was said to Manoah.
But to Mary; the reveal names was given. Jesus! "For he shall save his people from their sins."
And last of all, to Paul, on the road to Damascus, when he asked, "Who art thou, Lord?" the Lord said, "I am Jesus."