Seneca is a distinctive boys' name in United States, ranking #4328 in 2018 with 24 recorded births. The name reached its all-time peak in 2007 with 41 births ranking #2914. Since 1996, the popularity has increased by 41.2%. In 2018, approximately 1 in every 75,645 boys born was named Seneca. STABLE Recent data shows the name is currently stable.