George and Maria Bonner died 1872 and 1890

        Sacred to the Memory
                      of
  GEORGE WILMOT BONNER
BORN 22ND JULY 1930 DIED 2ND DEC 1872
             AND HIS WIFE
    MARIA ANGELA BONNER
BORN 29TH OCT 1837 DIED 3RD APRIL 1890

(From the net: George W. Bonner was born
at Dum Dum, West Bengal. He was the 
son of Samuel Bonner and Mary Ann Bonner.
He was married to Maria Angelo (spl) Bonner
and they had a daughter Alice Ellen whose
married name was Plunkett.)