"Hawaii, Board of Health, Marriage Record Indexes, 1909-1989," database, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:HYPZ-4BPZ : accessed 1 January 2023), Charles Achuna Akina and Amy Young, 1 December 1946; citing Hawaii Department of Health, Office of Health Status Monitoring, Honolulu.
"Hawaii, U.S., Birth Certificates and Indexes, 1841-1944," database with images, Ancestry (https://www.ancestry.com/imageviewer/collections/61692/images/48933_i601813-00374 : accessed 1 January 2023), certificate image, unnamed infant of Charles Ah Chuna and Blinder Kahakauila, 27 December 1910, no. 373; citing "Hawaii State Archive."