It means bright
Summer is a very popular female first name and a very popular surname (source: 1990 U.S. Census). Summer name is of Old English origin and is derived from Old English word sumor. It has been in use as a given name since the 1970s. It is a nature name i.e., the season used as a girl's name, like Spring and Winter word is also used as name and so is the word Season itself. A noteable name holder of Sumemr is Swimmer Summer Sanders. Also Visit Popularity Chart of Summer and Popularity Ranks of Summer in various years.