Tule–Kaweah was a major dialect of the Yokuts language of California, or possibly a distinct but closely related language.

only one native or fluent speaker, Marie Wilcox (both native and fluent), who compiled a dictionary of the language.

She also recorded an oral version of the dictionary.

[3] Together with her daughter Jennifer, Marie Wilcox taught weekly classes to interested members of their tribe.

Marie Wilcox died on September 25, 2021, rendering Tule–Kaweah extinct.