Tegan is a distinctive boys' name in United States, ranking #2845 in 1998 with 29 recorded births. This places Tegan in the top 25% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2007 with 202 births ranking #975. Since 1996, the popularity has increased by 107.1%. In 1998, approximately 1 in every 65,908 boys born was named Tegan. FALLING Recent data shows the name is currently falling.