Meaning and name origin
Roslynn \r(o)-sly-nn, ros-lynn\ as a girl's name is of Old German origin, and the meaning of Roslynn is "gentle horse". Roslynn is a variant of Rosalind (Old German): also possibly a 16th-century poetic creation by Spenser, which has the meaning "beautiful rose".
Roslynn is not a popular first name for females and an equally uncommon surname or last name for all people (2000 U.S. Census).
Displayed below is a comparison of the popularity of the girl name Roslynn and its variant forms. Popular variation forms ranked in the Top 1000/100 are Roselyn (#819), Rosalind and Roslyn. (2014 statistics).
Roslynn is also pronounced similarly to Roselynn, Rozlyn and Rozlynn. Other suggested similar baby names are Joslynn, Rosalinn, Rosalyn, Rosalynd, Rosalyne, Rosalynn and Rozalynn. These names tend to be more commonly used than Roslynn.