Lantz is a distinctive boys' name in United States, ranking #7266 in 1998 with 8 recorded births. This places Lantz in the bottom 36% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2006 with 18 births ranking #4972. Since 1996, the popularity has decreased by 52.9%. In 1998, approximately 1 in every 238,915 boys born was named Lantz. FALLING Recent data shows the name is currently falling.