Plock Family History
Plock Surname Meaning
English (Middlesex): topographic name for someone who lived on a small plot of land from Middle English plocke ‘small piece of ground’ or a nickname (a plo(c)ke was sometimes a spot or blemish taken as an outward sign of sin).
Americanized form of German Ploch.
German: variant of Block.
Source: Dictionary of American Family Names 2nd edition, 2022