Nellis is of Latin origin and means "from Naples". It was traditionally used as a surname, but has also been adapted for use as a given name. The name gained popularity in the United States during the early 20th century, with its peak usage occurring between 1920 and 1935. Today, Nellis is considered to be a somewhat unusual yet appealing choice for a girl's name. It has a unique, vintage charm that sets it apart from more common names. The name Nellis consists of four letters and two syllables, making it easy to pronounce and spell. It does not have any commonly associated nicknames or variations, allowing those who bear the name to stand out even more.
Between 1918 and 1938, there were a total of 18 babies named Nellis Ann. The years with the highest number of births were 1918 (7) and 1938 (6), while in 1923 only 5 such births occurred.