Judges 13:18

And the angel of the LORD replied, Why dost thou ask for my name? It is wonderful.

Genesis 32:29

And Jacob asked him and said, Tell me, I pray thee, thy name. And he said, Why dost thou ask after my name? And he blessed him there.

Isaiah 9:6

For unto us a child is born, unto us a son is given, and the government is placed upon his shoulder, and his name shall be called The Wonderful One, The Counsellor, The God, The Mighty One, The Eternal Father, The Prince of Peace.

Judges 13:6

Then the woman came and told her husband, saying, A man of God came unto me, and his countenance was like the countenance of an angel of God, very terrible; but I did not ask him where he was from, neither did he tell me his name;

Treasury of Scripture Knowledge

Summary

And the angel of the LORD said unto him, Why askest thou thus after my name, seeing it is secret?

Bible References

Why askest

Judges 13:6
Then the woman came and told her husband, saying, A man of God came unto me, and his countenance was like the countenance of an angel of God, very terrible; but I did not ask him where he was from, neither did he tell me his name;
Genesis 32:29
And Jacob asked him and said, Tell me, I pray thee, thy name. And he said, Why dost thou ask after my name? And he blessed him there.