Trelyn is a distinctive boys' name in United States, ranking #9512 in 2003 with 7 recorded births. The name reached its all-time peak in 2012 with 14 births ranking #6270. Since 1996, the popularity has decreased by 22.2%. In 2003, approximately 1 in every 282,181 boys born was named Trelyn. RISING Recent data shows the name is currently rising.