It looks like a few steamers did get stuck in the Rapids,...but here's a story from the NYTimes archives ,about a Steamer named the L.Renaud which got trapped in the Rapids & people in canoes wanted to'extort' them .....Nice to see the good in Humanity existed even in those times......................
Wreck of the Steamer Renaud in the Lachine Rapids with 150 Passengers on Board-How They Escaped Extortion of the Canoe People
May 17, 1873, Wednesday
The steamer L. Renaud left Cornwall on Monday morning at 5 o'clock, to make her usual trip to Montreal, touching at Beauharnois and other points. She had on board from 125 to 150 passengers, and when she neared the famed Lachine Rapids the decks were crowded in anticipated excitement of the "shooting."
............you can read the 'rest of the storey' (as old Paul Harvey would have said)
here at this link:
you can read the whole article ,using Adobe Reader...... HF&RV