Tegan is a moderately popular girls' name in England & Wales, ranking #156 in 2000 with 287 recorded births. The name reached its all-time peak in 2003 with 530 births ranking #97. Since 1996, the popularity has increased by 156.3%. In 2000, approximately 1 in every 952 girls born was named Tegan. FALLING Recent data shows the name is currently falling.