Seneca is a distinctive boys' name in United States, ranking #4836 in 2014 with 20 recorded births. This places Seneca in the top 34% 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 17.6%. In 2014, approximately 1 in every 96,022 boys born was named Seneca. STABLE Recent data shows the name is currently stable.