Cai is a distinctive boys' name in United States, ranking #2149 in 2018 with 65 recorded births. This places Cai in the top 15% 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 108 births ranking #1612. Since 1996, the popularity has increased by 983.3%. In 2018, approximately 1 in every 27,930 boys born was named Cai. FALLING Recent data shows the name is currently falling.