The surname "Dollendorf" is of German origin, typically associated with families from Germany or regions with German influence. Surnames like Dollendorf often reflect geographical locations, occupations, or characteristics of the ancestors. Individuals with the surname Dollendorf may have historical ties to specific areas in Germany, and the name can be found in various records, including immigration documents and census data. It is not a widely common surname, making it relatively unique in genealogical research.