Tiegan is a distinctive boys' name in United States, ranking #12147 in 2001 with 5 recorded births. This places Tiegan in the bottom 1% 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 2001, approximately 1 in every 388,566 boys born was named Tiegan. FALLING Recent data shows the name is currently falling.