The winter storm buried the Philadelphia region in more than a foot of snow in some areas.
Lakefront homes in Ontario were encased in a thick, spiky coat of ice after last weekend's blizzard whipped frigid waves on shore.
At least 25 others across 11 US states also have been reported dead in the storm, which buried the city of Buffalo in nearly 52 inches of snow.
A Buffalo woman jumped into action when she saw a man caught in blinding blizzard conditions on Christmas Eve.
It occurs when the pressure of a storm drops at least 24 millibars in 24 hours.
A destructive storm marched across the United States, spawning tornadoes that touched down in parts of Texas, Oklahoma and Louisiana, where two deaths were reported