"United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M971-H4M : accessed 29 August 2021), Lena B Joyce in household of Thos F Joyce, District 1 Providence city Ward 10, Providence, Rhode Island, United States; citing enumeration district (ED) 94, sheet 7B, family 122, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,241,509.
"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MP6R-J1C : accessed 29 August 2021), Lena J Pickering in household of F Joyce Thomas, Providence Ward 10, Providence, Rhode Island, United States; citing enumeration district (ED) ED 267, sheet 13B, family 269, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 1445; FHL microfilm 1,375,458.
"Rhode Island State Census, 1915," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MMMH-HD8 : 11 March 2018), Lena Pickering, Providence Ward 10, E.D. 385, Providence, Rhode Island; citing p. Y, line 19, State Archives, Providence; FHL microfilm 1,765,135.
"Rhode Island State Census, 1925," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MVW2-TD7 : 8 March 2021), Lena Pickering, Providence Ward 05, E.D. 252, Providence, Rhode Island; citing p. 41, line 21, State Archives, Providence; FHL microfilm 1,769,422.
"United States Census, 1930," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:XMZG-1RW : accessed 29 August 2021), Leana J Pickering in household of Walter H Pickering, Cranston, Providence, Rhode Island, United States; citing enumeration district (ED) ED 194, sheet 1A, line 15, family 4, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 2171; FHL microfilm 2,341,905.
"Rhode Island State Census, 1935," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MPR7-GCP : 11 March 2018), Lena J Pickering, Providence, Rhode Island, United States; State Archives, Providence; FHL microfilm 1,683,995.
"United States Census, 1940," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:KSJ7-FBG : 6 January 2021), Lena J Pickering in household of Walter H Pickering, Cranston, Providence, Rhode Island, United States; citing enumeration district (ED) 4-76A, sheet 6A, line 20, family 122, 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 3764.
"Rhode Island, Vital records, 1846-1898, 1901-1953," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:F84H-H26 : 4 November 2020), Lena Pickering, ; citing Death, Providence, Providence, Rhode Island, United States, Rhode Island State Archives, Providence; FHL microfilm 004024580.
Find a Grave, database and images (https://www.findagrave.com/ : accessed 29 August 2021), memorial page for Lena J. Pickering (1882–10 Nov 1948), Find A Grave: Memorial #111411825, citing Pocasset Cemetery, Cranston, Providence County, Rhode Island, USA ; Maintained by Lasting Memories (contributor 47977729).