"Hawaii, Honolulu Index to Passengers, Not Including Filipinos, 1900-1952", database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:KDRL-N7P : 22 February 2021), Nao Muraoka, 1902.
"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MLCY-F6J : accessed 2 April 2021), Nao Muraoka in household of Nitaro Muraoka, Hilo, Hawaii, Hawaii, United States; citing enumeration district (ED) ED 117, sheet 10A, family 107, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 1752; FHL microfilm 1,375,765.
"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XH1J-7J4 : accessed 2 April 2021), Nao Muraoka in household of Itaro Muraoka, Honolulu, Honolulu, Hawaii, United States; citing enumeration district (ED) ED 39, sheet 4A, line 49, family 70, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 2634; FHL microfilm 2,342,368.
"United States Census, 1940," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:VB9D-CFC : 5 January 2021), Nas Muracka in household of Nitaro Muracka, Representative District 4, Honolulu, Hawaii Territory, United States; citing enumeration district (ED) 2-14, sheet 7B, line 65, family 140, 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 4584.
"United States Social Security Death Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:J5XG-74W : 11 January 2021), Nao Muraoka, Apr 1977; citing U.S. Social Security Administration, Death Master File, database (Alexandria, Virginia: National Technical Information Service, ongoing).