Demi-Leigh is a distinctive girls' name in England & Wales, ranking #664 in 1998 with 37 recorded births. This places Demi-Leigh in the top 13% of ranked UK girls' names for the year. Its actual usage is classified as Uncommon. The name reached its all-time peak in 2005 with 120 births ranking #336. In 1998, approximately 1 in every 7,815 girls born was named Demi-Leigh. FALLING Recent data shows the name is currently falling.