Underberg : 1: North German: topographic name for someone who lived at the foot of a hill (compare 2 below). The surname Underberg is also found in the Netherlands but in North America it may also be an altered form of the Dutch cognate Onderberg.2: Swedish and Norwegian: habitational name from a place called with Old Norse undir ‘under’ + berg ‘mountain hill’.

Source : DAFN2 : Dictionary of American Family Names 2nd edition, ©2022 by Patrick Hanks and Oxford University Press

ncG1vNJzZmidnmO0prrEmqWerF6kv6h70q6pp5mdmsBwoa19fIt6dYeU