According to Foodland Ontario, the most popular varieties around here are:
McIntosh, a deep red color with a green background.
Red Delicious, deep red, elongated shaped and five bumps on bottom.
Empire, dark red, blush with a splash of yellow or green.
Idared, bright red with greenish-yellow patches.
Crispin (or Mutsu), greenish-yellow exterior with an orange blush.
Golden Delicious, yellow or greenish-yellow exterior, elongated shape, five bumps on bottom.
Spartan, dark red skin.
Cortland, bright red with yellow cheek.
Northern Spy, red-striped skin with green color. Northern Spy is the number 1 baking apple.
Here’s the list of the cultivars maintained in the Ontario Heritage Orchard mentioned at the above link: plant.uoguelph.ca/people-an … ge-orchard
Side note: Mind blown that there’s a Quinte apple. I lived briefly in that area and had no idea. Apparently I should have stopped at the Big Apple stand beside the highway to buy a pie or something.
And while I’m at it, here’s a resource from a heritage apple nursery in B.C.