Bethan is a popular girls' name in England & Wales, ranking #80 in 1998 with 673 recorded births. The name reached its all-time peak in 1996 with 825 births ranking #72. Since 1996, the popularity has decreased by 18.4%. In 1998, approximately 1 in every 430 girls born was named Bethan. FALLING Recent data shows the name is currently falling.