Margaret was born in 1916. She passed away in 1991.
Sources
Find a Grave, database and images (https://www.findagrave.com/memorial/173042969/margaret-bull_tail: accessed 22 April 2023), memorial page for Margaret Blaine Bull Tail (16 Jun 1916–15 Jun 1991), Find a Grave Memorial ID 173042969, citing Lodge Grass Cemetery, Lodge Grass, Big Horn County, Montana, USA; Maintained by F Priam (contributor 47754883).
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