Tilly-Mae is a distinctive girls' name in England & Wales, ranking #1411 in 2009 with 20 recorded births. This places Tilly-Mae in the top 20% of ranked UK girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2013 with 41 births ranking #900. In 2009, approximately 1 in every 15,669 girls born was named Tilly-Mae. FALLING Recent data shows the name is currently falling.