Doquin de Saint Preux is a French last name that likely originates from France. The name "Doquin" is of French origin and is believed to have been a surname given to someone with a dark or swarthy complexion, derived from the Old French word "do(u)c" meaning "dark" or "black". "Saint Preux" is a French surname that translates to "Saint Pure" or "Pure Saint", indicating a possible connection to a religious figure or a place named Saint Preux. Overall, the last name Doquin de Saint Preux likely originated in France and may have connections to both French language and religious influences.
