Barroso
A Spanish and Portuguese surname meaning “muddy,” “clayey,” or “covered with mud,” probably first used as a descriptive nickname or place-based name.
The #6,381 most common surname in the United States (2010 Census) — about 1 in every 57,893 Americans shares it.
Etymology
The name comes from the Romance word barro, meaning “mud” or “clay,” with the adjective barroso meaning “muddy,” “clayey,” or “full of mud.” In origin, it most likely began as a nickname for someone associated with muddy ground, clay soils, or a muddy place. It can also have been used for people from a locality named for that landscape feature.
History
Barroso is well established in Iberian naming, especially in Spain and Portugal, and later spread to the Americas through migration. The surname is also found in medieval and early modern records, including Iberian genealogical material. In some contexts it may overlap with place-names or topographic surnames derived from barro and related forms.
Origin
Regions
Variant spellings
Fun fact
The source note explicitly glosses barroso as “lo que tiene barro” — literally, “what has mud.”
From the historical record
“Barroso. Lo que tiene barro. Color barroso. Bartolo. Nombre propio de varon, abreviatura de Bar- tolomé. Basal. Conjunto de basas.”
— Diccionario de los apellidos