Trelyn is a distinctive boys' name in United States, ranking #10447 in 2001 with 6 recorded births. The name reached its all-time peak in 2012 with 14 births ranking #6270. Since 1996, the popularity has decreased by 33.3%. In 2001, approximately 1 in every 323,805 boys born was named Trelyn. RISING Recent data shows the name is currently rising.