Malachy is a moderately popular boys' name in England & Wales, ranking #414 in 2003 with 63 recorded births. The name reached its all-time peak in 2005 with 75 births ranking #401. Since 1996, the popularity has increased by 800.0%. In 2003, approximately 1 in every 4,754 boys born was named Malachy. RISING Recent data shows the name is currently rising.