Demi-Leigh is a distinctive girls' name in England & Wales, ranking #590 in 1999 with 45 recorded births. The name reached its all-time peak in 2005 with 120 births ranking #336. Since 1996, the popularity has increased by 15.4%. In 1999, approximately 1 in every 6,260 girls born was named Demi-Leigh. FALLING Recent data shows the name is currently falling.