Seneca is a distinctive boys' name in United States, ranking #7462 in 2012 with 11 recorded births. The name reached its all-time peak in 2007 with 41 births ranking #2914. Since 1996, the popularity has decreased by 35.3%. In 2012, approximately 1 in every 172,420 boys born was named Seneca. STABLE Recent data shows the name is currently stable.