Meaning Rosalynn means gentle horse. It is also known to mean beautiful rose. Origin of Rosalynn German +-100%Zoom level changed to 1 Popular Middle Names Carol, Jane, Jean, Jeanne, Marie, May, Nicole, Rachel Pronunciation 🔊 Listen Rosalynn ROE-zah-lin Similar Names Roselyn Rosina Rosy Roisin Ruby Rose Ava-Rose Eva Rose Evelyn-Rose Bethany-Rose Lilly-Rose Year by Year Popularity of Rosalynn