Malachy is a distinctive boys' name in England & Wales, ranking #1359 in 2025 with 20 recorded births. The name reached its all-time peak in 2005 with 75 births ranking #401. Since 1996, the popularity has increased by 185.7%. In 2025, approximately 1 in every 13,597 boys born was named Malachy. RISING Recent data shows the name is currently rising.