What does Rainbow mean?
Rainbow \ra(in)-bow\ as a girls' name is pronounced RAYN-boh. It is of English origin. The phenomenon as a name. Biblical: the rainbow is a symbol of the covenant between God and Noah, that God will sustain his people. It is also seen as a symbol of hope and of ethnic and gender-preference tolerance. Comedian/actor Richard Pryor's daughter, Rain. See also Iris.
Rainbow has 1 variant: Rain.
Rainbow is a rare given name for women but a somewhat popular surname for both adults and children (#49862 out of 88799, Top 56%). (2000 U.S. Census)
Iris (#245 in 2014) is the only prominent varying form of Rainbow (#unlisted) appearing in the Top 1000. This girl name was at the height of its popularity during the years 1930-1939 and is now significantly less popular. Iris (#245) is the most fashionable name for newborns in this compilation. Below is a graphed analysis of the usage of Rainbow and related names. (2014 Birth Statistics)