Vernersen is a Danish patronymic surname meaning "son of Verner".The name Verner is a Scandinavian form of Werner, which originates from an Old German name composed of the elements war (meaning "aware" or "cautious") and heri (meaning "army"). The name Werner was borne by a 13th-century boy from Oberwesel, Germany, who was formerly venerated as a saint, though his cult was later suppressed by the Catholic Church. Modern bearers most famously include the German physicist Werner Heisenberg (1901–1976).Vernersen follows the Danish patronymic tradition of adding the suffix -sen (meaning "son") to the father's name. Thus, the surname denotes lineage from an ancestor named Verner. This practice was widespread in Denmark, Norway, and other Scandinavian countries before being gradually replaced with fixed inherited surnames.Meaning: "son of Verner"Origin: Danish patronymicRoot: Verner → Werner (Old German)Usage: Danish surname