Allyn is a distinctive boys' name in United States, ranking #4686 in 2001 with 16 recorded births. The name reached its all-time peak in 1997 with 20 births ranking #3457. Since 1996, the popularity has increased by 45.5%. In 2001, approximately 1 in every 121,427 boys born was named Allyn. RISING Recent data shows the name is currently rising.