Tegan is a moderately popular girls' name in England & Wales, ranking #130 in 2008 with 409 recorded births. The name reached its all-time peak in 2003 with 530 births ranking #97. Since 1996, the popularity has increased by 265.2%. In 2008, approximately 1 in every 772 girls born was named Tegan. FALLING Recent data shows the name is currently falling.