What is the origin of the surname Korth?

Answer 1

1. variant of Korte (see below)
2. from the personal name Kord, a Low German derivative of Konrad (see below)

Dictionary of American Family Names, Oxford University Press, ISBN 0-19-508137-4

"Korte"

1. Dutch and North German: nickname for a short person, from Middle Dutch, Middle Low German kort 'short'.
2. German (Körte): Westphalian variant of the personal name Kurt.
3. German: from Sorbian khort 'hunting dog', hence possibly a nickname for someone resembling the animal in some way or for someone who kept hunting dogs.
4. Hungarian (Körte): from körte 'pear', a metonymic occupational name for a grower or seller of the fruit.

Dictionary of American Family Names, Oxford University Press, ISBN 0-19-508137-4

"Konrad"

German: from the Germanic personal name Konrad, composed of the elements kuoni 'daring', 'experienced' + rad, rat 'counsel'. This fell together at an early date with another Germanic name, of which the first element was chunni, kuni 'race', 'people'. Konrad was extremely popular as a personal name in central Europe during the Middle Ages, being a hereditary name in several princely families as well as enjoying widespread popularity among the people at large. It was also adopted as a surname by Ashkenazic Jews, Slovenians, and others.

Dictionary of American Family Names, Oxford University Press, ISBN 0-19-508137-4

*information taken from Ancestry.com surname search