Johnathon is a moderately popular boys' name in United States, ranking #414 in 2002 with 609 recorded births. The name reached its all-time peak in 1996 with 871 births ranking #302. Since 1996, the popularity has decreased by 30.1%. In 2002, approximately 1 in every 3,188 boys born was named Johnathon. STABLE Recent data shows the name is currently stable.