Seng is a distinctive boys' name in United States, ranking #7973 in 1997 with 7 recorded births. This places Seng in the bottom 26% 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 8 births ranking #7006. Since 1996, the popularity has decreased by 12.5%. In 1997, approximately 1 in every 269,299 boys born was named Seng. FALLING Recent data shows the name is currently falling.