Tegan is a popular girls' name in England & Wales, ranking #98 in 2006 with 528 recorded births. The name reached its all-time peak in 2003 with 530 births ranking #97. Since 1996, the popularity has increased by 371.4%. In 2006, approximately 1 in every 567 girls born was named Tegan. FALLING Recent data shows the name is currently falling.