Malachy is a distinctive boys' name in England & Wales, ranking #537 in 2011 with 65 recorded births. The name reached its all-time peak in 2005 with 75 births ranking #401. Since 1996, the popularity has increased by 828.6%. In 2011, approximately 1 in every 5,321 boys born was named Malachy. RISING Recent data shows the name is currently rising.