Tegan is a distinctive boys' name in United States, ranking #1169 in 2006 with 145 recorded births. The name reached its all-time peak in 2007 with 202 births ranking #975. Since 1996, the popularity has increased by 935.7%. In 2006, approximately 1 in every 14,173 boys born was named Tegan. FALLING Recent data shows the name is currently falling.