Tegan is a moderately popular girls' name in England & Wales, ranking #103 in 2005 with 488 recorded births. The name reached its all-time peak in 2003 with 530 births ranking #97. Since 1996, the popularity has increased by 335.7%. In 2005, approximately 1 in every 591 girls born was named Tegan. FALLING Recent data shows the name is currently falling.