Tenorio
A Spanish surname most likely tied to a place-name or older local family name, though its exact origin is uncertain.
The #4,111 most common surname in the United States (2010 Census) — about 1 in every 35,780 Americans shares it.
Etymology
The historical sources provided do not give a secure derivation for Tenorio, only listing it among Spanish surnames. In onomastic practice, this kind of surname is often locational or habitational, formed from a place-name or an old family designation, but the evidence here is not strong enough to be more specific. The ultimate root remains unclear in these excerpts.
History
Tenorio is a well-established Spanish surname and is also found in the wider Spanish-speaking world through migration. The name is familiar in literary usage as well, most famously in the figure of Don Juan Tenorio, which helped keep the surname recognizable beyond genealogy circles. Because the excerpted source only mentions it in passing, no firmer historical pathway can be stated from the provided material.
Origin
Regions
Variant spellings
Fun fact
The surname is strongly associated with the classic Spanish literary character Don Juan Tenorio, which has helped give the name a lasting cultural presence.
From the historical record
“legendario de la independencia suiza. Tenorio. Tanoirus, latinización de Taiioi, for- ma derivada de Atan {Atan testis, en escritura de 1064 del monasterio de Yairao) ó, latinizado, Ataniis {Atanus testis, en la dotación de la igle- sia de Oviedo, por OrJoño I, en 857), que hizo por patronímicos Atani y Atañe , y…”
— Ensayo histórico etimológico filológico sobre los apellidos castellanos