Rendahl Family History

Swedish: ornamental name, the second element of which is dahl (ornamental spelling of dal ‘valley’); the first element is unidentified, probably from a place name. Norwegian: habitational name from a farm name; the first element is either a river name or rein ‘strip of grass at the margins of a field’, ‘headland’; the second element is dal ‘valley’.

Source: Dictionary of American Family Names ©2013, Oxford University Press