I think the Galveston storm of 1900 was the worse Atlantic storm in terms of lives lost, between 6000 and 12000
A movie was made about the Galveston hurricane. “Isaac’s Storm”. Good movie. Also, if you poke around you can find video taken right after the storm passed in 1900. Very grainy, but every where you look there is destruction. The estimates I have seen as far as deaths were between 10 and 12K. Many bodies were never recovered.