Tegan is a moderately popular girls' name in England & Wales, ranking #112 in 2004 with 483 recorded births. The name reached its all-time peak in 2003 with 530 births ranking #97. Since 1996, the popularity has increased by 331.3%. In 2004, approximately 1 in every 592 girls born was named Tegan. FALLING Recent data shows the name is currently falling.