I can help you with some details about your family. William Humphrey Candy adopted your grandmother Lucy May, when he married Annie Bolinda Loft, which he did following the death of his first wife Edith James.
William Humphrey Candy was born 30 March 1858 and died 18 February 1933. He is buried in Melbourne General Cemetery.He was the sixth child born to William Candy (1822-1897) and Mary Smith (1823-1904), who arrived in Melbourne in October 1849.He had nine brothers and sisters.
William senior was born in Frome, Somerset, and married Mary Smith in Gloucester on 7 May 1849. His father was yet another William Candy, who was born in Frome Somerset in about 1794 and died in Melbourne in 1856.Several members of the Candy family emigrated to Australia between 1849 and 1855, with one returning to England in the late 1850s.
I would be happy to tell you more about your ancestry if it is interesting to you. Contact me offline at firstname.lastname@example.org