Coste Family History
Coste Name Meaning
French: topographic name for someone who lived on a slope or riverbank less often on the coast a variant of Côte (see Cote ); or a habitational name from (La) Coste the name of several places in the southern part of France. Compare Decoste and Lacoste . English (Middlesex): from a short form of the personal name Constantine in its vernacular French or English form.
Source: Dictionary of American Family Names 2nd edition, 2022