Mannix is a distinctive boys' name in United States, ranking #4646 in 2015 with 21 recorded births. This places Mannix in the top 33% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2010 with 31 births ranking #3505. In 2015, approximately 1 in every 91,250 boys born was named Mannix. RISING Recent data shows the name is currently rising.