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YBDACAX INDIANS. This name is known only from a single hearsay report. In the early eighteenth century it was given as the name of a group that lived somewhere north of San Juan Bautista, a mission on the south side of the Rio Grande near the site of present Eagle Pass. This would place the Ybdacax Indians south of the Edwards Plateau in Texas, an area dominated by Coahuiltecan speakers.


Frederick Webb Hodge, ed., Handbook of American Indians North of Mexico (2 vols., Washington: GPO, 1907, 1910; rpt., New York: Pageant, 1959). J. R. Swanton, Linguistic Material from the Tribes of Southern Texas and Northeastern Mexico (Washington: Smithsonian Institution, 1940).

Thomas N. Campbell


The following, adapted from the Chicago Manual of Style, 15th edition, is the preferred citation for this article.

Thomas N. Campbell, "YBDACAX INDIANS," Handbook of Texas Online (, accessed October 06, 2015. Uploaded on June 15, 2010. Published by the Texas State Historical Association.