Sanches
A surname found in several European naming traditions, often linked to the given name Sancho or related patronymic forms meaning “son of Sancho.”
The #4,500 most common surname in the United States (2010 Census) — about 1 in every 39,166 Americans shares it.
Etymology
Sanches is a patronymic surname built on the medieval personal name Sancho, with the ending marking descent or family connection. In Iberian usage it is related to forms like Sánchez, while Dutch and other European records also show similar spellings adapted to local spelling habits. The literal sense is therefore “descendant of Sancho” or “son of Sancho.”
History
The name appears in several spellings across western Europe, especially in Iberian and Dutch contexts, where spelling often varied before modern standardization. The historical sources you provided mainly cite it as a related form alongside Sanchez and other surnames rather than as a fully separate origin. In the United States, Sanches is relatively uncommon and is likely to reflect immigrant spelling variation or Anglicized simplification.
Origin
Regions
Variant spellings
Fun fact
Because accent marks were often dropped in older records, Sánchez and Sanches can appear as nearly interchangeable spellings in archival documents.
From the historical record
“Sankey. A loc. n., Lancs. 0 FI. Sancke ; Fr. Sanchez ; Del Sanches ; p.n. Dim. of Sand. Sann. See Sandys Sanquhar. A loc. n., Dumfries Sansom. Fr. Sanson ; D.B. San son and de St Sansone ; p.n. Sanxter. See Sangster”
— British Family Names: their origin and meaning (2nd ed.)