Roslynn is of Latin origin, derived from the male name Rosalyn, which was originally an English surname meaning 'from the pink rose field'. The name gained popularity as a female given name in the mid-20th century.
The name Roslynn had its peak popularity from 1957 to 1964, with a high of 20 births in 1957 and an average of around 13 births per year during this period. However, it started to decline significantly after the late 1960s, with fewer than 10 births per year from 1973 onwards. In recent years (2018-2023), there have been an average of around 30 births per year, indicating a slight resurgence in popularity for this name. Overall, the total number of births with the name Roslynn between 1929 and 2023 is 1270.