Malachy is a moderately popular boys' name in England & Wales, ranking #477 in 2010 with 75 recorded births. The name reached its all-time peak in 2005 with 75 births ranking #401. Since 1996, the popularity has increased by 971.4%. In 2010, approximately 1 in every 4,617 boys born was named Malachy. RISING Recent data shows the name is currently rising.