Janson is a distinctive boys' name in United States, ranking #5644 in 2021 with 16 recorded births. This places Janson in the top 40% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2016 with 35 births ranking #3256. Since 1996, the popularity has decreased by 36.0%. In 2021, approximately 1 in every 109,265 boys born was named Janson. FALLING Recent data shows the name is currently falling.