Her family's surname, "Mosey," appears on her father's gravestone, in his military record, and is the official spelling by the Annie Oakley Foundation which is maintained by her living relatives.
Annie Oakley, (August 13, 1860 – November 3, 1926), born Phoebe Ann Mosey, was an American sharpshooter and exhibition shooter.
Annie Oakley died on November 3, 1926, of pernicious anemia, at the age of 66.