Knoop Family History
Knoop Name Meaning
German and Dutch: from Middle Low German knōp Middle Dutch cnoop cnop(pe) ‘swelling lump knob button glob’ hence a metonymic occupational name for a maker of buttons or a nickname for a small rotund man or a topographic name (Dutch Van der Knoop) for someone who lived by a rounded hillock. Compare Knopp .
Source: Dictionary of American Family Names 2nd edition, 2022