Siouan languages
Authors who call the entire family "Siouan" distinguish the two branches as "Western Siouan" and "Eastern Siouan" or as "Siouan-proper" and "Catawban". Others restrict the name "Siouan" to the western branch and use the name "Siouan–Catawban" for the entire family. Generally, however, the name "Siouan" is used without distinction.
Lumbee
After repeated rejections under the Croatan, Cherokee and Cheraw labels, the proto Lumbee petitioned the United States Bureau of Indian Affairs in 1924 for recognition as "Siouan" Indians. This petition was rejected largely on the grounds that Siouan was a language, not a tribe. Moreover, there was no record of the Lumbee or their ancestors having ever spoken the Siouan or any other Indian language.