Jonathyn is a distinctive boys' name in United States, ranking #7773 in 2011 with 10 recorded births. The name reached its all-time peak in 2010 with 22 births ranking #4436. Since 1996, the popularity has increased by 11.1%. In 2011, approximately 1 in every 189,899 boys born was named Jonathyn. FALLING Recent data shows the name is currently falling.