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SUMI INDIANS. This name is known only from baptismal records (1719) at the San Antonio de Valero Mission in San Antonio. The similarity of Sumi to Sumacoalapem, a variant of Samacoalapem, suggests that the two may have been the same people. The Samacoalapem lived on the south bank of the Rio Grande between Camargo and Mier, Tamaulipas, in the middle eighteenth century.


Frederick Webb Hodge, ed., Handbook of American Indians North of Mexico (2 vols., Washington: GPO, 1907, 1910; rpt., New York: Pageant, 1959). Gabriel Saldivar, Los Indios de Tamaulipas (Mexico City: Pan American Institute of Geography and History, 1943).

Thomas N. Campbell

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Thomas N. Campbell, "SUMI INDIANS," Handbook of Texas Online (, accessed November 30, 2015. Uploaded on June 15, 2010. Published by the Texas State Historical Association.