Portia is a distinctive girls' name in United States, ranking #5006 in 2019 with 27 recorded births. The name reached its all-time peak in 2001 with 100 births ranking #1793. Since 1996, the popularity has decreased by 61.4%. In 2019, approximately 1 in every 62,132 girls born was named Portia. STABLE Recent data shows the name is currently stable.