Tegan is a distinctive boys' name in United States, ranking #1651 in 2004 with 79 recorded births. The name reached its all-time peak in 2007 with 202 births ranking #975. Since 1996, the popularity has increased by 464.3%. In 2004, approximately 1 in every 25,124 boys born was named Tegan. FALLING Recent data shows the name is currently falling.