Leonie is a moderately popular girls' name in England & Wales, ranking #381 in 2006 with 110 recorded births. The name reached its all-time peak in 1999 with 164 births ranking #244. Since 1996, the popularity has decreased by 19.1%. In 2006, approximately 1 in every 2,720 girls born was named Leonie. RISING Recent data shows the name is currently rising.