Johnathon is a moderately popular boys' name in United States, ranking #350 in 1997 with 736 recorded births. The name reached its all-time peak in 1996 with 871 births ranking #302. Since 1996, the popularity has decreased by 15.5%. In 1997, approximately 1 in every 2,561 boys born was named Johnathon. STABLE Recent data shows the name is currently stable.