Poppendieck
Poppendieck is a surname of German origin. It is a patronymic surname, meaning it derives from the given name of a father or ancestor. The name is thought to be a variant of "Poppen," which is a diminutive of the given name "Poppo." Poppo was a common Germanic personal name, particularly in the Middle Ages. Therefore, "Poppendieck" likely means "son of Poppo."
The surname Poppendieck is most commonly found in Germany, particularly in the northern regions of the country.