[Chas62]

I have a cranberry pilgrim plant. Is it possible to propagate it by cuttings?

[Yorkie]

Yes, softwood cuttings in mid-summer will work.
http://www.telegraph.co.uk/gardening/3345892/Cranberries-and-blueberries-the-simple-superfoods.html

Some standard cultivation instructions which you may not have got with the plant: here