Larz is a distinctive boys' name in United States, ranking #6834 in 2002 with 10 recorded births. The name reached its all-time peak in 2007 with 13 births ranking #6477. Since 1996, the popularity has increased by 11.1%. In 2002, approximately 1 in every 194,147 boys born was named Larz. FALLING Recent data shows the name is currently falling.