73%RatingSave Gender Masculine Usage Frisian, Dutch, Estonian Pronounced Pron. RAYN(Frisian, Dutch) [key·IPA] Meaning & History Originally a short form of Germanic names beginning with the element regin meaning "advice, counsel, decision" (Proto-Germanic *raginą). Related NamesFamily Tree·Details VariantRien(Dutch) Other Languages & CulturesRegin(Germanic) User SubmissionRein PopularityDetails Last ranked #256 in 2022 Netherlands Name DaysName Days? Estonia: July 16 Categories English nouns, English verbs, short forms, wisdom, word names