Clark
Clark is an English language surname with historical links to England, Scotland, and Ireland, ultimately derived from the Latin ''clericus'' meaning "scribe", "secretary" or a scholar within a religious order, referring to someone who was educated. ''Clark'' evolved from "clerk". First records of the name are found in 12th-century England. The name has many variants.''Clark'' is the twenty-seventh most common surname in the United Kingdom, including placing fourteenth in Scotland. Clark is also an occasional given name, as in the case of Clark Gable.
According to the 1990 United States Census, ''Clark'' was the twenty-first most frequently encountered surname, accounting for 0.23% of the population. Provided by Wikipedia