Mattingly is a distinctive boys' name in United States, ranking #8084 in 2008 with 10 recorded births. This places Mattingly in the bottom 45% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2008 with 10 births ranking #8084. In 2008, approximately 1 in every 203,995 boys born was named Mattingly. FALLING Recent data shows the name is currently falling.