Tierney is a distinctive girls' name in United States, ranking #4262 in 2023 with 34 recorded births. The name reached its all-time peak in 2000 with 110 births ranking #1616. Since 1996, the popularity has decreased by 66.7%. In 2023, approximately 1 in every 47,137 girls born was named Tierney. FALLING Recent data shows the name is currently falling.