Portia is a distinctive girls' name in United States, ranking #7803 in 2025 with 14 recorded births. This places Portia in the top 45% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2001 with 100 births ranking #1793. Since 1996, the popularity has decreased by 80.0%. In 2025, approximately 1 in every 114,805 girls born was named Portia. STABLE Recent data shows the name is currently stable.