The name Roselyn is a girl's name . Roselyn is ranked #669 on our popularity charts and is often added to user-created lists like Old-Fashioned, Vintage, Retro, Classic, Eclectic, Unusual and Uncommon Names for Girls and discussed in our forums with posts like "Hunt for our favourite girl names (Alphabet-wise)".
From the experts:
Roselyn was a frequent member of the US Top 1000 in the early twentieth century until it dropped off the charts in 1954. It didn't return until 2003.
This name takes Rosalind and makes it rosier. As with any creative variation, expect to spell the name anytime you meet someone new.