Blas is a distinctive boys' name in United States, ranking #2844 in 1996 with 26 recorded births. This places Blas in the top 27% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2005 with 42 births ranking #2620. In 1996, approximately 1 in every 72,855 boys born was named Blas. FALLING Recent data shows the name is currently falling.