Who is Mary and who's baby she is taking care of?
In the short story "The Yellow Wall Paper" a woman and her husband and infant have gone on vacation to try and get her healthy. She may have already been healthy but her husband and the doctors have treated her like an invalid for so long that she has becomes mentally unhealthy.
Mary appears to be the person who cares for the infant because the wife and mother is unable to care for her own child. Family members come and go and visit her. However, she is trapped in a world of men who think that they know best and that complete bed rest will revive her.
"It is fortunate Mary is so good with the baby. Such a dear baby!
And yet I cannot be with him, it makes me so nervous."