For women "at home" often means bulk of animal care, home production of goods (crafts basically) and other similar farm-like work. And having jobs in cleaning, sewing and what not. It is not like every one of them had living husband or every husband earned a lot.
Good case are miners areas - men work hard like 12 hours a day under ground and die young. Women have to earn for themselves and for kids once they are dead however possible.
Interesting video on the Time Ghost channel. It wasn’t until industrialization that idea of “men work, women stay home” came about. In an agrarian society, the entire family worked. Yes, there was division of labor between men and women, but it was more like “men plow the field” and “women pick the crops”. Even with newborns, the women were out working with the kids strapped to their backs.
Milking cows, goats, general care about chicken and what not was typical female work in traditional villages. Also, field/garden work that do not require that much physical strength was done by women too.
1950 middle class household is not all there is to be about how historical families existed. Most of the time, the amount of work to do was basically infinite. And the more "anyone" could do, the better. That includes 6-7 years old kids who were already expected to be useful. (Here the kids started to work at 5, they would pasture gooses, which is super easy but was to large extend unsupervised).
Also, origin of kindergarten are German cities where both parents worked 12 hours a day in factory and small kids were left to own devices whole day. Obviously we are talking about poorer people here, but poor were large part of society.
Good case are miners areas - men work hard like 12 hours a day under ground and die young. Women have to earn for themselves and for kids once they are dead however possible.