Definition: Occupational in origin, this surname most likely derived from the Old High German word "decker," denoting one who covered roofs with tile, straw or slate. The meaning of the word expanded during the Middle Ages to encompass carpenters and other craftsman and was used to refer to one who built or laid the decks of vessels 2) From the German Decher, meaning the quantity of ten; this may also have been a name given to the tenth child.
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