Bethan is a moderately popular girls' name in England & Wales, ranking #102 in 2001 with 482 recorded births. The name reached its all-time peak in 1996 with 825 births ranking #72. Since 1996, the popularity has decreased by 41.6%. In 2001, approximately 1 in every 556 girls born was named Bethan. FALLING Recent data shows the name is currently falling.