Johnathon is a moderately popular boys' name in United States, ranking #378 in 2000 with 696 recorded births. The name reached its all-time peak in 1996 with 871 births ranking #302. Since 1996, the popularity has decreased by 20.1%. In 2000, approximately 1 in every 2,822 boys born was named Johnathon. STABLE Recent data shows the name is currently stable.