The story of Westlyn
Westlyn is rare for girls in the United States, ranked #4,658 in 2025 with 30 babies given the name. It is currently rising compared with a decade ago.
Since 2015, 496 American babies have been named Westlyn, about 91% girls and 9% boys, making it a genuinely unisex name. Its peak came in 2017, when 120 newborns received the name, the signature sound of the 2010s.
The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Westlyn stood among all girls' names in any year, or use the compare tool to plot it against other names.