Plum Family History
Plum Name Meaning
English and North German: from Middle English plum(b)e, Middle Low German plum(e) ‘plum’, hence a topographic name for someone who lived by a plum tree, or a metonymic occupational name for a fruit grower. Reaney and Wilson, however, derive the English name from Old French plomb ‘lead’ (Latin plumbum), regarding it as a metonymic occupational name for a plumber. German and Jewish (Ashkenazic): variant of Blum.Americanized form of Pflum.
Source: Dictionary of American Family Names ©2013, Oxford University Press