Mickle is a medieval Scottish and English surname that originated as a nickname for someone who was considered to be small or insignificant. It is derived from the Middle English word "mikell" which means "big" or "great". The name may have also been given to individuals who were humble or modest in nature. Mickle could be related to the Scottish term "mickle-muckle" which means "much ado about nothing". Overall, the name Mickle conveys notions of humility, modesty, and perhaps even a touch of sarcasm.