Jonathyn is a distinctive boys' name in United States, ranking #7380 in 2005 with 10 recorded births. This places Jonathyn in the bottom 45% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2010 with 22 births ranking #4436. Since 1996, the popularity has increased by 11.1%. In 2005, approximately 1 in every 199,715 boys born was named Jonathyn. FALLING Recent data shows the name is currently falling.