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 very popular surname for both adults and children (#37881 out of 150436, Top 25%). (2000 U.S. Census)
Iris (#245 in 2014) is the only prominent varying form of Rainbow (#unlisted) appearing in the Top 1000. These girl names were at the height of their popularity during 1930-1939 (usage of 0.825%) and are now significantly less popular (usage 0.755%, down 8.5%). 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)