Caleo is a distinctive boys' name in United States, ranking #9910 in 2019 with 7 recorded births. This places Caleo in the bottom 30% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2025 with 15 births ranking #5898. In 2019, approximately 1 in every 256,194 boys born was named Caleo. RISING Recent data shows the name is currently rising.