Seneca is a distinctive boys' name in United States, ranking #3439 in 2005 with 29 recorded births. This places Seneca in the top 26% 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. Since 1996, the popularity has increased by 70.6%. In 2005, approximately 1 in every 68,867 boys born was named Seneca. STABLE Recent data shows the name is currently stable.