Mattingly is a distinctive boys' name in United States, ranking #9450 in 2007 with 8 recorded births. This places Mattingly in the bottom 34% 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 2007, approximately 1 in every 259,404 boys born was named Mattingly. FALLING Recent data shows the name is currently falling.