Malachy is a distinctive boys' name in United States, ranking #3085 in 2003 with 31 recorded births. This places Malachy in the top 24% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2002 with 35 births ranking #2732. In 2003, approximately 1 in every 63,718 boys born was named Malachy. FALLING Recent data shows the name is currently falling.