- Category : 1910-births
- Type : PE
- Profile : 2/4 - Hermit / Opportunist
- Definition : Triple Split
- Incarnation Cross : RAX Unexpected 4
American linguist who specialized in North American Indian languages, Thai, and historical linguistics. Haas was noted for her dedication to teaching linguistics, and to the role of the linguist in language instruction. Haas trained more Americanist linguists than her former instructors Edward Sapir and Franz Boas combined: she supervised fieldwork in Americanist linguistics by more than 100 doctoral students.
She married Morris Swadesh, a fellow linguist, in 1931. They divorced in 1937. Mary Haas died at her home in Berkeley, California, on 17 May 1996, aged 86.