Tegan is a moderately popular girls' name in England & Wales, ranking #106 in 2001 with 456 recorded births. The name reached its all-time peak in 2003 with 530 births ranking #97. Since 1996, the popularity has increased by 307.1%. In 2001, approximately 1 in every 588 girls born was named Tegan. FALLING Recent data shows the name is currently falling.