Submitted Name Save Type Surname (from given name) Usage English Other Forms FormsRambo, Rammell, Raybould Edit Status Status [show contributorhide contributor] Added 11/4/2013 by babycrookston Meaning & History From the Old French male personal name Rainbaut, of Germanic origin and meaning literally "counsel-brave" (cf. RAGINBALD). The modern form of the name has been influenced by English rainbow.