Zeth is a distinctive boys' name in United States, ranking #2346 in 1997 with 36 recorded births. The name reached its all-time peak in 1999 with 59 births ranking #1748. Since 1996, the popularity has increased by 12.5%. In 1997, approximately 1 in every 52,364 boys born was named Zeth. FALLING Recent data shows the name is currently falling.