Reference: The Dallenbachs in America: 1710-1935; Edited by Andrew L. Dillenbeck, D.D., and Karl M. Dallenbach, Ph. D. (1935). (an excellent genealogical compilation)
The family name has undergone many changes since its transplanting on American soil. Even in Switzerland, the ancestral home of the Family, two forms --Dallenbach and Tallenbach-- are common usage.The city directory of Berne, Switzerland, for example, gives under 'Dallenbach" the cross reference "auch Tallenbach", and this is repeated under "Tallenbach" as "auch Dallenbach".
The aforementioned book and the passage provided established an excellent foundation for inquiring researchers to review.The book appears to be available for reprint at about $ 150.00 according to the Alibris Web site.