The name Hewlett, of English origin, is derived from an occupational surname that was given to someone who worked at a dairy farm or owned a dairy herd. It is composed of the Old English words 'hū' meaning cow and 'hytt' referring to a dairy farm or shed. The name has been associated with several notable figures in history, including William Hewlett, one of the founders of the Hewlett-Packard Company.
"The name Hewlett was consistently popular between 1916 and 1927, with a notable spike in popularity during the 1920s. However, its popularity significantly declined by 1952."