Japheth is a distinctive boys' name in United States, ranking #3272 in 2017 with 35 recorded births. The name reached its all-time peak in 2007 with 51 births ranking #2488. Since 1996, the popularity has increased by 84.2%. In 2017, approximately 1 in every 52,866 boys born was named Japheth. STABLE Recent data shows the name is currently stable.