The name Westlyn is a girl's name . Westlyn and is often added to lists like Celebrity Baby Names.
From the experts:
Westlyn is a hot new girls' names, rising 350 percent in 2017 over the year before in official US statistics. It was given to just over 100 baby girls in 2017. Actor Josh Brolin named his daughter Westlyn Reign. Near-identical twin Westlynn is also growing in popularity, given to about half as many baby girls. Westlyn is a combination of word name West, also becoming more popular in various forms including Weston and Wesley for boys, and the long-used suffix lyn. West is a stylist and attractive unisex short form.