in the U.S. Veterans' Gravesites, ca.1775-2006
National Cemetery Administration. U.S. Veterans' Gravesites, ca.1775-2006 [database on-line]. Provo, UT, USA: Ancestry.com Operations Inc, 2006.
Original data: National Cemetery Administration. Nationwide Gravesite Locator.
Something that recent won't be online in ancestry or familysearch.
The library in Honolulu is your best option.
It can check Honolulu directories and newspaper files. There was a book called Polk Directory published in each city, listing who lived there by name or street.
Query via email
Or if you need a library card for email access
Phone call or write
2211 S King St, Honolulu, HI 96826, United States
Quincy died 1994
The VFW in Honolulu
438 Hobron Ln #407, Honolulu, HI 96815
This may help a little.