[1] Adai's name has also been written Adaizan, Adaizi, Adaise, Adahi, Adaes, Adees, Atayos, and Nadais.

[3] The Adai were among the first peoples in North America to experience European contact and were profoundly affected.

[1] The Spanish later built the Presidio of Nuestra Señora del Pilar de Los Adaes,[1] near Natchitoches, Louisiana.

[1] Archaeologists have identified their pottery styles in the 1770s as being increasingly tempered with bone and named their ceramic types "Patton Engraved" and "Emory Incised".

[1] American Indian agent John Sibley recorded a small Adai village that became known as the Lac Madon site, which was populated through 1820.