"[4] She also wrote a book of Japanese fairy tales[5] and published short stories in compilations and publications like the New-York Tribune.

[6] A Catholic convert, Mary Nixon was raised into a religious family of writers and scholars.

[7] She was the daughter of Flora Jewell Nixon, a member of society in St. Louis, Missouri.

After hearing many Native American stories as a child, she maintained an interest in the welfare of "Indian children" and supported them monetarily throughout her life.

[7] As a young woman, Nixon married physician Alfred de Roulet.