Bethan is a moderately popular girls' name in England & Wales, ranking #402 in 2015 with 113 recorded births. The name reached its all-time peak in 1996 with 825 births ranking #72. Since 1996, the popularity has decreased by 86.3%. In 2015, approximately 1 in every 2,725 girls born was named Bethan. FALLING Recent data shows the name is currently falling.