Fitz is a distinctive boys' name in United States, ranking #5320 in 2014 with 17 recorded births. This places Fitz in the top 38% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2020 with 80 births ranking #1851. In 2014, approximately 1 in every 112,967 boys born was named Fitz. FALLING Recent data shows the name is currently falling.