Johnathon is a distinctive boys' name in England & Wales, ranking #513 in 1996 with 35 recorded births. This places Johnathon in the top 14% of ranked UK boys' names for the year. Its actual usage is classified as Uncommon. The name reached its all-time peak in 1996 with 35 births ranking #513. In 1996, approximately 1 in every 9,100 boys born was named Johnathon. FALLING Recent data shows the name is currently falling.