Phinneas is a distinctive boys' name in United States, ranking #5372 in 2011 with 17 recorded births. This places Phinneas in the top 37% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2010 with 17 births ranking #5417. In 2011, approximately 1 in every 111,705 boys born was named Phinneas. FALLING Recent data shows the name is currently falling.