In a Dutch oven or kettle, cook the pork sausage and onion until the sausage is brown and the onion is tender. Drain mixture on paper towels.
Return sausage mixture to Dutch oven. Stir in potatoes, water, salt, marjoram, and pepper. Bring to boiling; reduce heat. Simmer, uncovered, about 15 minutes or until potato is just tender.
Add the cream-style corn, whole-kernel corn, and the evaporated milk. Heat through. Makes 6 servings.