Kay is a distinctive girls' name in England & Wales, ranking #1372 in 2002 with 14 recorded births. The name reached its all-time peak in 1996 with 66 births ranking #448. Since 1996, the popularity has decreased by 78.8%. In 2002, approximately 1 in every 19,098 girls born was named Kay. STABLE Recent data shows the name is currently stable.