Lily-May is a moderately popular girls' name in England & Wales, ranking #237 in 2011 with 211 recorded births. The name reached its all-time peak in 2011 with 211 births ranking #237. Since 1996, the popularity has increased by 2,537.5%. In 2011, approximately 1 in every 1,523 girls born was named Lily-May. FALLING Recent data shows the name is currently falling.