AdakaiNavajo From Navajo adikaʼí meaning "gambler, card player".
AtcittyNavajo From Navajo atsidí meaning "blacksmith" or "smithy, pounder, anvil".
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.
BiaNavajo The U.S. Bureau of Indian Affairs ("BIA") required all Indians to choose a family name. The Navajo family name Bia is derived from BIA ("Bureau of Indian Affairs")
BitsillyNavajo Means "his younger brother", from Navajo bi- meaning "his" and atsilí meaning "younger brother".
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.
BylillyNavajo Derived from Navajo bá "for him" and álílee "magic power".
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".
UentillieNavajo From Navajo ayóí meaning "very" and áníldííl meaning "husky, large".