Wikipedia had some interesting information on the Macintosh variety: Every McIntosh apple has a direct lineage to a single tree discovered in 1811 by John McIntosh on his farm in Dundela, a hamlet near Morrisburg, in Dundas County in the Canadian province of Ontario. Offspring of the Mac include the firmer Macoun (a Jersey Black cross), Spartan (recorded as a Newtown Pippin cross), Cortland, Empire, Jonamac, maybe Paula Red, Jersey Mac, and others. Macs keep well through the winter and are equally suited to making applesauce, cider, pies and eating out of hand. Apples will last longer if stored in your refrigerator, but try to keep them in a drawer separate from other fruits and vegetables. The ethylene gas that they give off will hasten the (over) ripening of other produce.