Sethaniel is a distinctive boys' name in United States, ranking #10341 in 2001 with 6 recorded births. This places Sethaniel in the bottom 16% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2001 with 6 births ranking #10341. In 2001, approximately 1 in every 323,805 boys born was named Sethaniel. STABLE Recent data shows the name is currently stable.