Johnathon is a distinctive girls' name in United States, ranking #14765 in 1997 with 5 recorded births. This places Johnathon in the bottom 9% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1997 with 5 births ranking #14765. In 1997, approximately 1 in every 348,132 girls born was named Johnathon. STABLE Recent data shows the name is currently stable.