The name Clark is an English name with origins dating back to the Middle Ages. It is derived from the Old English words "clerc" or "clerk," which referred to a scholar or a member of the clergy. The name Clark was originally an occupational surname given to those who worked as clerks, scribes, or in clerical roles.

During the medieval period, clerks were highly respected individuals as they were among the few who were literate and able to read and write. They often served in churches, monasteries, and royal courts, responsible for maintaining records, transcribing texts, and handling official documents.

One of the earliest recorded instances of the name Clark can be found in the Domesday Book, a comprehensive survey of England commissioned by William the Conqueror in 1086. Several individuals with the surname "Clericus" or "Clerk" were documented in this historical record.

In the 12th century, the name Clark appeared in the writings of the renowned English historian and scholar, William of Malmesbury. He mentioned a clerk named "Clericus" who served as a secretary to the Bishop of Winchester.

Throughout history, several notable figures have borne the name Clark. One of the earliest was John Clark (c. 1292-1358), an English clergyman and politician who served as the Bishop of Bath and Wells in the 14th century.

Another prominent figure was Abraham Clark (1726-1794), an American politician and one of the signers of the Declaration of Independence. He played a crucial role in the American Revolutionary War and served as a delegate to the Continental Congress.

In the 19th century, William Clark (1770-1838) was an American explorer and soldier best known for his participation in the Lewis and Clark Expedition, the first American expedition to cross the western portion of the United States.

William Bullock Clark (1860-1917) was a renowned American educator and author who served as the president of the Massachusetts Agricultural College (now the University of Massachusetts Amherst) and wrote several influential works on agriculture and rural life.

Walter Clark (1846-1924) was a prominent American jurist who served as the Chief Justice of the North Carolina Supreme Court from 1903 to 1924, known for his contributions to the development of legal principles and his advocacy for social justice.