Seng is a distinctive boys' name in United States, ranking #13030 in 2005 with 5 recorded births. The name reached its all-time peak in 1996 with 8 births ranking #7006. Since 1996, the popularity has decreased by 37.5%. In 2005, approximately 1 in every 399,429 boys born was named Seng. FALLING Recent data shows the name is currently falling.