Blas is a distinctive boys' name in United States, ranking #5136 in 2021 with 18 recorded births. The name reached its all-time peak in 2005 with 42 births ranking #2620. Since 1996, the popularity has decreased by 30.8%. In 2021, approximately 1 in every 97,124 boys born was named Blas. FALLING Recent data shows the name is currently falling.