According to the obituary, Anna died at 58. She is buried, along with her husband and other relatives, in Fishkill Rural Cemetery. Anna's obituary can be seen below.
Family photographs and documents from the collection of Diana Bryan Quinn.
New York State, Marriage Index, 1881-1967. New York State Department of Health; Albany, NY, USA; New York State Marriage Index. Ancestry.com
Poughkeepsie Journal, Mrs. Morris, Fishkill Resident. Poughkeepsie, New York.
19 Jul 1965, Mon • Page 16. Newspapers.com. https://www.newspapers.com/clip/39406783/poughkeepsie_journal/