Tirza is a distinctive girls' name in United States, ranking #10961 in 2001 with 9 recorded births. This places Tirza in the bottom 39% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2003 with 13 births ranking #8459. Since 1996, the popularity has decreased by 18.2%. In 2001, approximately 1 in every 200,062 girls born was named Tirza. STABLE Recent data shows the name is currently stable.