Cainaan is a distinctive boys' name in United States, ranking #12440 in 2021 with 5 recorded births. This places Cainaan in the bottom 12% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2018 with 7 births ranking #9835. In 2021, approximately 1 in every 349,647 boys born was named Cainaan. FALLING Recent data shows the name is currently falling.