Mary Etta Hickok Whitney was born to Henry Clay Hickok and Mary Dodge on 2 August 1872 in Rochester, New York. She married Newell Kimball Whitney on 21 February 1891 in Logan, Utah Territory. They had seven children. By 1897 the family was living in Tooele, Utah. They moved to Boise, Idaho, in 1921. Whitney died in Berkeley, California on 9 March 1932.
 “Mary Etta Hickok,” FamilySearch (Person ID: K2WV-SHQ), accessed 21 Oct. 2020, https://www.familysearch.org/tree/person/details/K2WV-SHQ; “Dr. N. K. Whitney Dies after Long Illness,” Journal (Logan, UT), 12 Mar. 1927, ; Newell Whitney and Mamie Hickok, marriage license, 21 Feb. 1891, “Utah, County Marriages, 1887–1940,” database with images, FamilySearch, https://www.familysearch.org/ark:/61903/3:1:939Z-BL9Z-V9?cc=1803977&personaUrl=%2Fark%3A%2F61903%2F1%3A1%3AX2BP-MYJ.