Tegan is a moderately popular girls' name in England & Wales, ranking #107 in 2002 with 437 recorded births. The name reached its all-time peak in 2003 with 530 births ranking #97. Since 1996, the popularity has increased by 290.2%. In 2002, approximately 1 in every 612 girls born was named Tegan. FALLING Recent data shows the name is currently falling.