Lois is a classic feminine given name of French origin, derived from the masculine French name Louis, which is ultimately derived from the Germanic name Ludwig. The name has been popular throughout history, notably borne by prominent figures such as Lois McMaster Bujold, an American science fiction author, and Lois Lane, the intrepid journalist in DC Comics' Superman series. It is typically pronounced /loʊɪs/ and can be spelled in various ways, including Louise or Louis(e). The name has been used consistently throughout history, with its popularity peaking in the mid-20th century.
"The name Loise saw a spike in popularity between 1914 and 1923 with the most births occurring in 1923."