Maryonn \m(a)-ryo-nn, mar-yonn\ as a girl's name is a variant of Marion (French). See for meaning of Maryonn.
The baby name Maryonn sounds like Maryann and Maryon. Other similar baby names are Maryanne, Maryanna, Maryan, Mariann, Marylynn, Marylyn, Marylin, Marinn, Maryn, Marjon, Marlynn, Marlinn, Marlenn, Marlon and Maroona.