Callisto is a distinctive boys' name in United States, ranking #9112 in 2022 with 8 recorded births. This places Callisto in the bottom 36% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2022 with 8 births ranking #9112. In 2022, approximately 1 in every 218,047 boys born was named Callisto. FALLING Recent data shows the name is currently falling.