Do you think people back then had 40 hour per week jobs with benefit packages and 401k retirement plans too? If you have to go check in for a census, it is what it is. If she was already pregnant, they were in a delicate situation. The pregnant mother is fragile as is the mother and child post birth. I don’t think you’re capable of thinking from the perspective of people who were living life back then. Your conceptions of how they lived are extremely tainted by your experiences living in modern times.