What does Rainbow mean?
Rainbow /rain-bow/ [2 sylls.] 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.more]
How popular is Rainbow?
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 (not ranked) appearing in the Top 1000. Variants like Irita are seldom used. This girl name was at the height of its popularity during 1930-1939 (usage of 0.825%) and is 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)