Well, you could use google to search out the dogma of the immaculate conception and then you'd know what it means. I do not mean to be brisk with you, but a little preparation before asking a question is helpful.
The dogma of the Immaculate Conception says that at the very moment of Mary’s...
Nonsense.
The saints are creatures and cannot be "ahead" of God. They are his flock, the people he shepherds.
Jesus spoke with Moses (who died) and Elijah (who was taken up), if this is necromancy and if necromancy is a sin as you said it is, then you've accused God of sin.
Jesus said that God...
1 Corinthians chapter three.
I am confident that Blessed Mary was born, but I do not recall a Catholic tradition about her birth specifically, do you mean the immaculate conception? That is about Blessed Mary's conception rather than her birth.
I quite like asking Blessed Mary to pray for me...
If, as you've indicated, no one is free of biases and errors then why pretend that the scriptures really have an objectively true message when no one knows what it is? That sounds like someone saying that the random noises of the seas have an objective message to communicate but it is human...