Mixed Blood Definition: Persons of half, or more or less than half, Indian blood. Related Terms: Metis, Indian In the 1991 edition of the Corpus Juris Secundum, the authors wrote:"The term mixed bloods, as used in treaties and statutes, has been held to include persons of half, or more or less than half, Indian blood, derived either from the father or from the mother."As the Corpus Jurus also points out, a person of mixed blood, though often held to be an Indian within the meaning of a statuite, is also often excluded from the definition of Indian.In Canadian native law, the term Metis is often preferred.REFERENCES:State v Nicholls, 112 P. 269; also 61 Wash. 142 (1910) Categories & Topics: Aboriginal Law Dictionary Find you are constantly looking up definitions? Try our search provider (works in most modern browsers) If you find an error or omission in Duhaime's Legal Dictionary, or if you have legal term suggestion, we'd love to hear from you!