BegayNavajo Derived from the Navajo word biyeʼ meaning "his son". This was frequently adopted as a surname among the Navajo when Native Americans were required by the Bureau of Indian Affairs (BIA) to formally adopt surnames for the purpose of official records.
BenallyNavajo From Navajo binálí meaning "his grandchild", derived from análí meaning "(paternal) grandchild". It was commonly adopted when Native Americans were required to take surnames for record purposes.
BitsuieNavajo From bitsóí meaning "his grandchild", a commonly adopted surname when the BIA required Native Americans to take surnames for the purpose of official records.
TomahawkSioux The name comes from Powhatan tamahaac, derived from the Proto-Algonquian root *temah- 'to cut off by tool'. Algonquian cognates include Lenape təmahikan, Malecite-Passamaquoddy tomhikon, Abenaki demahigan, all of which mean "axe".
TsosieNavajo From the Navajo suffix -tsʼósí meaning "slender, slim", originally a short form of a longer name such as kiitsʼósí "slender boy", hashkétsʼósí "slender warrior", cháalatsʼósí "slim Charlie", dághaatsʼósí "the one with a slender mustache", dinétsʼósí "slender man", or hastiintsʼósí "slender man".