Nila was born in 1886. Nila Waite ... She passed away about 1981.
Sources
"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M598-FVV : accessed 21 June 2017), Nila Calkins in household of Claud Calkins, Richland, Oswego, New York, United States; citing enumeration district (ED) ED 151, sheet 70B, family 208, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 1063; FHL microfilm 1,375,076.
"New York State Census, 1915," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:K9G7-HFT : 8 November 2014), Nila Calkins, Richland, Oswego, New York, United States; from "New York, State Census, 1915," database and images, Ancestry (http://www.ancestry.com : 2012); citing p. 10, line 28, state population census schedules, 1915, New York State Archives, Albany.
"United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:K7MR-TCM : accessed 21 June 2017), Nila W Calkins in household of Harold Nicolason, Richland Town, Oswego, New York, United States; citing enumeration district (ED) 38-70, sheet 10B, line 78, family 155, Sixteenth Census of the United States, 1940, NARA digital publication T627. Records of the Bureau of the Census, 1790 - 2007, RG 29. Washington, D.C.: National Archives and Records Administration, 2012, roll 2715.
"United States Social Security Death Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:JKRW-L6X : 20 May 2014), Nila Calkins, Jan 1981; citing U.S. Social Security Administration, Death Master File, database (Alexandria, Virginia: National Technical Information Service, ongoing).