i think i don't know, but i'm going to guess.

Mary, did you know
That your baby boy will one day walk on water? confident she didn't know that. I mean, that is crazy! walking on water!
Did you know
That your baby boy will save our sons and daughters?
Did you know
That your baby boy has come to make you new? I mean, no way. That didn't even have a definition back then.
This child that you've delivered
Will soon deliver you

Mary, did you know
That your baby boy will give sight to a blind man? Long before lasik. There is no way she knew.
Did you know
That your baby boy will calm a storm with his hand?
Did you know
That your baby boy has walked where angels trod?
And when you kiss your little boy
You've kissed the face of god I think she could've had a small idea about this one...I mean, God did send that angel and all. I'm just saying.

Mary, did you know?
The blind will see
The deaf will hear
And the dead will live again
The lame will leap
The dumb will speak
The praises of the lamb

She didn't know! Quit asking!

Mary, did you know
That your baby boy is lord of all creation? Definitely had no clue.
Did you know
That your baby boy will one day rules the nations? A dream for all young mothers.
Did you know
That your baby boy is heavens perfect lamb? I'm confident that while Mary was giving birth in a stable, she was not thinking, ahhh. perfection.
This sleeping child youre holding
Is the great I am No, cause then she would've thought he was a bush, right?

I'm just confident that she really didn't know. I'm almost positive.