Tieran is a distinctive boys' name in United States, ranking #10423 in 2001 with 6 recorded births. This places Tieran in the bottom 15% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2001 with 6 births ranking #10423. Since 1996, the popularity has increased by 20.0%. In 2001, approximately 1 in every 323,805 boys born was named Tieran. FALLING Recent data shows the name is currently falling.