Kaidin is a distinctive boys' name in United States, ranking #6878 in 2015 with 12 recorded births. This places Kaidin in the top 49% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2008 with 34 births ranking #3311. In 2015, approximately 1 in every 159,688 boys born was named Kaidin. FALLING Recent data shows the name is currently falling.