" ie if a mother has a child in 1900, she was probably born between 1830 and 1880."
I hope this is a typo- I can't see a woman born in 1830 having a child in 1900. I would think a more likely range to be 1855-1884.
I hope this is a typo- I can't see a woman born in 1830 having a child in 1900. I would think a more likely range to be 1855-1884.