>
Cognomen Duby (Duby , دوبي , 达比 ) , around the globe, is quite a common last name. The family name Duby is habitual in Western Europe, particularly France, where it is quite a rare surname, Belgium, where it is a rare surname, and Switzerland. Measured by absolute frequency, it is commonest in India, the United States, and France. Very seldom, Duby is the forename as well as the last name.