Jonathyn is a distinctive boys' name in United States, ranking #6300 in 2002 with 11 recorded births. The name reached its all-time peak in 2010 with 22 births ranking #4436. Since 1996, the popularity has increased by 22.2%. In 2002, approximately 1 in every 176,497 boys born was named Jonathyn. FALLING Recent data shows the name is currently falling.