Kaimen is a distinctive boys' name in United States, ranking #12364 in 2005 with 5 recorded births. The name reached its all-time peak in 2000 with 10 births ranking #6578. Since 1996, the popularity has decreased by 28.6%. In 2005, approximately 1 in every 399,429 boys born was named Kaimen. FALLING Recent data shows the name is currently falling.