Alternate Names: Cuoi, Cuoi Cham, Ho Muong Meridional, Keo
Dialects: Cuoi Cham (Uy Lo), Mon.
Genealogy:
Demographics: 68,400 (1999 census). Ethnic population: 75,000 (2009 census).
Language Development: Dictionary.
Writing System: Unwritten
Nation of Origin: Viet Nam
Other Comments: Tho is an official ethnic community. Associated culturally with other principal local ethnonyms Keo, Mon, Cuoi, Ho, Dan, Lai-Ly Ha, and Tay Poong.