AAQ – how would Hashem have referred to rivka as mrs yitzchok before she was married?
Why the Torah sometimes refers to women as eshes so-and-so, and other times by their name is up for discussion… I’d imagine there are times that their significance is defined by their relationship with their husband, as in the case of eshes potifar, where the whole problem was that she was married, and ohn ben peles’ wife, who is noted for saving her husband