Tegan is a distinctive boys' name in United States, ranking #1957 in 2003 with 60 recorded births. The name reached its all-time peak in 2007 with 202 births ranking #975. Since 1996, the popularity has increased by 328.6%. In 2003, approximately 1 in every 32,921 boys born was named Tegan. FALLING Recent data shows the name is currently falling.