Bethan is a moderately popular girls' name in England & Wales, ranking #112 in 2002 with 408 recorded births. The name reached its all-time peak in 1996 with 825 births ranking #72. Since 1996, the popularity has decreased by 50.5%. In 2002, approximately 1 in every 655 girls born was named Bethan. FALLING Recent data shows the name is currently falling.