Like disgraced former sheriff Clarke up here in Beer Town, a "registered Democrat." Many other examples in my lifetime.
And, as you pointed out, most of the time, a wife shares the same party identification of her husband.
Why any thinking person would participate in the marches in question, where none of the participants seem to be able to articulate anything beyond their hatred for Trump, is beyond me. They couldn't pick a better way to confirm all the worst stereotypes of women than by marching and acting in the way they have in these events.