Jonathyn is a distinctive boys' name in United States, ranking #6275 in 2006 with 13 recorded births. The name reached its all-time peak in 2010 with 22 births ranking #4436. Since 1996, the popularity has increased by 44.4%. In 2006, approximately 1 in every 158,086 boys born was named Jonathyn. FALLING Recent data shows the name is currently falling.