MallowbyNames

Blas

BLAHS · Of uncertain origin; possibly derived from Latin 'blaesus' meaning 'lisping' or from a Spanish short form of 'Blasius'.

2025 rank (boys)
#6,446
Babies named in 2025
13
Peak popularity
1880
2025 frequency
1 in 131,390 boys
Usually for
Boys
Trend
Declining since 1999

Declining since 1999, #6,446 for boys today.

Popularity of Blas since 1880

Babies named Blas per year in U.S. Social Security records. Raw births topped out in 1988, but relative to how few babies were recorded back then, Blas's real moment was 1880.

1429431880192019602000Most births 1988Boys
Data table (by decade)
DecadeBoys
1880s6
1890s0
1900s0
1910s103
1920s228
1930s238
1940s249
1950s246
1960s231
1970s303
1980s301
1990s348
2000s326
2010s230
2020s112

Meaning & origin

Blas is a distinctly uncommon name in the United States, with its highest recorded usage occurring in the 1880s when it peaked at rank 6,446 in 1880. Since 1999, its usage has been on a steady decline, and it remains a rare choice. The name carries strong Spanish heritage, linked to Saint Blaise, and is more commonly found in Spanish-speaking communities. While it never broke into the top states list in recent decades, its traditional roots and simple pronunciation give it a classic, understated appeal for parents seeking a culturally significant yet unconventional name.

Blas is a Spanish name traditionally given in honor of Saint Blaise (San Blas), a 4th-century physician and bishop. The name is derived from the Latin 'Blasius', which itself may come from Greek 'blaisos' meaning 'crooked' or 'lisping'. It has been used in Spain and Latin America for centuries, often associated with the feast day of San Blas on February 3.

Nicknames & variants

Variants: Blasius, Blaise

Sibling names for Blas

Names that share Blas's style, for a brother or sister.

Sisters: Elsa, Luz, Pilar, Sara, Teresa, Blasa

Brothers: Cruz, Diego, Iker, Pablo, Sergio

A parent animal hugging its little one, the personalized name page

B is for Blas, our favorite little boy.

B is for Blas…”

In a Mallowby alphabet book, Blas's letter becomes Blas's page: hand-illustrated, printed hardcover or paperback, made just for them.

Make Blas's book

Books for siblings or grandkids? The second book is 15% off.

Questions parents ask

What does the name Blas mean?
The meaning of Blas is uncertain, but it is often associated with the Latin 'blaesus' meaning 'lisping' or as a Spanish form of Blasius.
Is Blas a popular name today?
Blas is very rare in modern times. In the most recent data (2025), it ranked 6,446th in the U.S., given to about 1 in every 131,390 male births.
Is Blas a boy's name?
Yes, Blas is primarily a masculine name in Spanish-speaking cultures, derived from the male saint's name Blasius.