Tirza is a distinctive girls' name in United States, ranking #18888 in 2015 with 5 recorded births. The name reached its all-time peak in 2003 with 13 births ranking #8459. Since 1996, the popularity has decreased by 54.5%. In 2015, approximately 1 in every 356,931 girls born was named Tirza. STABLE Recent data shows the name is currently stable.