Seneca is a distinctive boys' name in United States, ranking #3988 in 1996 with 17 recorded births. This places Seneca in the top 38% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2007 with 41 births ranking #2914. In 1996, approximately 1 in every 111,425 boys born was named Seneca. STABLE Recent data shows the name is currently stable.