The director called her “Kate Weighs-a-lot.” But in 1912, it was probably stylish for a woman to be heavier than what’s considered ideal now.
Around 1910, the average height of women was 5’1-5’2”, weight around 120-125. Males were 5’6”-5’7” and around 140-145. Based on numbers collected in Detroit at 1900.
Entering WW2, the average recruit (all men of course) was 5’7” and 145 lbs.
Looks like Kate Winslet is 5’6” and around 140. So about what Jack would have been...