TROVE has many references for the surname CLACY.
Charles offering to work for the Agricultural Society (at Caslemaine?)
http://trove.nla.gov.au/ndp/del/article/197092454Ellen's book about the goldfields was republished in 1963
http://trove.nla.gov.au/ndp/del/article/104270113Other information about the book
http://trove.nla.gov.au/ndp/del/article/207408145A description of Geelong in 1852/3 by "Mrs CLACY"
http://trove.nla.gov.au/ndp/del/article/150773765Death Notice for Charles CLACY, husband of Lilian, living at Emerald Hill, Victoria, August 1882
http://trove.nla.gov.au/ndp/del/article/198562938http://trove.nla.gov.au/ndp/del/article/196703622Marriage notice for Eveline Maud, second daughter oif the late Charles CLACY, St Kilda 1885
http://trove.nla.gov.au/ndp/del/article/6073387Breach of the Licensing Act by Lilian (Queen's Arms, South Melbourne) 1886
http://trove.nla.gov.au/ndp/del/article/190851859 Marriage of Lilian's daughter, Edith CLACY to Joseph Francis RYAN, St Kilda, Jan 1890
http://trove.nla.gov.au/ndp/del/article/198091377Lots more!
Judith