Phineas is a distinctive boys' name in United States, ranking #1619 in 2022 with 108 recorded births. The name reached its all-time peak in 2016 with 142 births ranking #1284. Since 1996, the popularity has increased by 1,250.0%. In 2022, approximately 1 in every 16,152 boys born was named Phineas. STABLE Recent data shows the name is currently stable.