When Anna Catharina Elisabeth Lapp was born about 1789, in Mecklar, Hersfeld, Hesse-Nassau, Prussia, Germany, her father, John Lapp, was 34 and her mother, Anna Maria Seipel, was 25. She married Johann Henrich Siering about 1818, in Braach, Rotenburg, Hesse-Nassau, Prussia, Germany. They were the parents of at least 1 son.
German, English, and Dutch: from Middle High German and Middle English lappe, Middle Dutch lap ‘cloth, patch, rag’, a metonymic occupational name for a mender of clothes or shoes, or a nickname given to someone who wore ragged clothes or garments with loose folds, flaps, or hanging sleeves, or who had fleshy folds of skin on his face, neck, or body.
German: nickname for a simple-minded person, from Middle Low German lappe ‘fool’. This surname (in any of the two possible senses; see also 1 above) is also found in France (mainly Alsace, also Lorraine).
English: nickname from Anglo-Norman French lappe ‘burdock’, perhaps for someone with a prickly character.