We don't have to worry that God won't know us. he has known us -each one of us- since he knit us together in our mothers' wombs (Psalm 139:13).
He knows us by name (Isaiah 43:1), and he'll never stumble over the pronunciation or forget who we are. He wears our names on his hands (Isaiah 49:16).
And we can be assured that he knows more than just our names; he knows all about us (Psalm 139:3) - and loves us anyway!