100% of the the Yuki people speak English as their native language. At one time, they spoke Ukiah, which went extinct some time in the 20th Century.
The Manhasset indians spoke the Munsee and Unami languages.
The Yuki people speak English.Historically they spoke three different dialects of Ukiah, also called Ukomno'm.The dialects were called:Northern YukiCoast YukiHuchnomUkiah went extinct sometime in the 20th Century.
Algonquian!
Caddoan
Sourashtian
Sioux
english.
algonquon
english.
Algonqulan Or Algonkian
They spoke Caddoan
Iroquian and/or Ojibway