Kadie is a moderately popular girls' name in England & Wales, ranking #408 in 2005 with 92 recorded births. The name reached its all-time peak in 2006 with 105 births ranking #398. Since 1996, the popularity has increased by 187.5%. In 2005, approximately 1 in every 3,133 girls born was named Kadie. FALLING Recent data shows the name is currently falling.