Tegan is a moderately popular girls' name in England & Wales, ranking #137 in 2009 with 402 recorded births. The name reached its all-time peak in 2003 with 530 births ranking #97. Since 1996, the popularity has increased by 258.9%. In 2009, approximately 1 in every 780 girls born was named Tegan. FALLING Recent data shows the name is currently falling.