Tiegan is a distinctive boys' name in United States, ranking #10533 in 2002 with 6 recorded births. This places Tiegan in the bottom 16% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2008 with 15 births ranking #6041. In 2002, approximately 1 in every 323,579 boys born was named Tiegan. FALLING Recent data shows the name is currently falling.