When referring to her free will I was not referring to her as a little baby inside of her Mothers womb.
Easy, Adam and Eve were made free from sin and still had their free will. Her sinlessness was a gift from God to her that is unique just like her privelage of being the God Bearer.
Original sin is, according to RC, the deprivation of grace, yes? I'll use that definition in this entire post:
If the Virgin was held from original sin, then it would be appropriate to say that she was filled with God's grace upon conception (i.e. not deprived of it).
If she was filled with God's grace upon conception, then it was irresistable.
If it was irresistable, then she had no free will.
Her being the God-bearer was resistable. She could have rejected such a gift from God, but to say that she was conceived without original sin would be irresistable. Not analogous.
Regarding Adam and Eve, it's not analogous either. Adam and Eve were created in a state where humanity was not (yet) corrupted and deprived of grace, whereas the Virgin was. The former would just be God creating humans (in their natural state), whereas the latter is God irresistably overcoming Mary with grace upon conception (i.e. the opposite of grace's deprivation). Further, A&E's creation itself is not synonomous with Mary's conception.