Judges 13:18

But the angel of the Lord said to him, Why are you questioning me about my name, seeing that it is a wonder?

Genesis 32:29

Then Jacob said, What is your name? And he said, What is my name to you? Then he gave him a blessing.

Isaiah 9:6

For to us a child has come, to us a son is given; and the government has been placed in his hands; and he has been named Wise Guide, Strong God, Father for ever, Prince of Peace.

Judges 13:6

Then the woman came in, and said to her husband, A man came to me, and his form was like the form of a god, causing great fear; I put no question to him about where he came from, and he did not give 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 in, and said to her husband, A man came to me, and his form was like the form of a god, causing great fear; I put no question to him about where he came from, and he did not give me his name;
Genesis 32:29
Then Jacob said, What is your name? And he said, What is my name to you? Then he gave him a blessing.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain