Keng is a distinctive boys' name in United States, ranking #3971 in 1997 with 17 recorded births. This places Keng in the top 37% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1996 with 19 births ranking #3615. Since 1996, the popularity has decreased by 10.5%. In 1997, approximately 1 in every 110,888 boys born was named Keng. FALLING Recent data shows the name is currently falling.