You don't even need to go outside English for some of these to be a problem, What letter does the name Van der Waals sort under? What about D'Arcy Does McKay

You don't even need to go outside English for some of these to be a problem, What letter does the name Van der Waals sort under? What about D'Arcy Does McKay come before MacKay ? Is 7-4-09 an American holiday or a week after April fools?