Portia is a distinctive girls' name in United States, ranking #2014 in 2002 with 87 recorded births. The name reached its all-time peak in 2001 with 100 births ranking #1793. Since 1996, the popularity has increased by 24.3%. In 2002, approximately 1 in every 20,653 girls born was named Portia. STABLE Recent data shows the name is currently stable.