Allyn is a distinctive boys' name in United States, ranking #12440 in 2022 with 5 recorded births. The name reached its all-time peak in 1997 with 20 births ranking #3457. Since 1996, the popularity has decreased by 54.5%. In 2022, approximately 1 in every 348,875 boys born was named Allyn. RISING Recent data shows the name is currently rising.