The surname Krumesz is of Hungarian origin. The suffix -esz is a common Hungarian patronymic suffix, meaning “son of” or “descendant of”. The root of the name “Krum” could be derived from the Hungarian word “krumpli” which means “potato” and could be used as nickname for a farmer who grows potatoes.
It is also possible that the root of the name “Krum” could be derived from the name “Krum” which is of Bulgarian origin, the name of the first Khan of Bulgaria from the 8th century, and could have been used as a given name in Hungary.
It’s worth noting that the spelling of the last name may be different in some countries, such as Krumes, Krum or Krumesz.