Westlyn is a distinctive girls' name in United States, ranking #4658 in 2025 with 30 recorded births. This places Westlyn in the top 27% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2017 with 109 births ranking #1874. In 2025, approximately 1 in every 53,576 girls born was named Westlyn. RISING Recent data shows the name is currently rising.