Leonie is a moderately popular girls' name in England & Wales, ranking #417 in 2007 with 99 recorded births. The name reached its all-time peak in 1999 with 164 births ranking #244. Since 1996, the popularity has decreased by 27.2%. In 2007, approximately 1 in every 3,092 girls born was named Leonie. RISING Recent data shows the name is currently rising.