East Trentham is south west of Kyneton. Have a search on google maps.
Some speculative research but this is the only
O'BRIEN who are farmers in the area but this is in 1903 the first roll after Federation and following the visit of Catherine.
Australian Electoral Roll
1903 Corinella/East Trentham
O’BRIEN Timothy Snr Farmer East Trentham
O’BRIEN Timothy Jnr Farmer East Trentham
Marriage
OBRIEN Timothy born Clare
HAYES Margaret born Clare
1868 Reg#4055
Births
Twins -
OBRIEN Thomas
Father Timothy Mother Margaret HAYES
At Tylden 1869 Reg#25554
OBRIEN Michael
Father Timothy Mother Margaret HAYES
At Tylden 1869 Reg#25555
OBRIEN Ellen
Father Timothy Mother: Margaret HAYES
AT Tylden 1871 Reg#12843
OBRIEN Margaret
Father: Timothy Mother Margaret HAYES
At East Trentham 1873 Reg#13308
OBRIEN Timothy
Father Timothy Mother Margaret HAYES
At Trentham 1878 Reg#19690
OBRIEN Anna Maria
Father Timothy Mother Margaret HAYES
At Trentham 1880 Reg#25684
OBRIEN Bridget
Father Timothy Mother Margaret HAYES
At Trentham 1883 Reg#13086
OBRIEN Thomas Joseph
Father Timothy Mother Margaret HAYES
At Trentham 1886 Reg#25764
OBRIEN Sarah Theresa
Father Timothy Mother Margaret HAYES
At Trentham 1886 Reg#25765
http://www.australiancemeteries.com/vic/hepburn/tyldenoz_data.htmLots of excellent information on the
O'BRIEN family of East Trentham.
Interred in the Tylden Cemetery
O’BRIEN Timothy 68 years 24 Apr 1909
Residence East Trentham
Rank Farmer
Father Michael O’BRIEN
Mother Ellen McNAMARA
Death
OBRIEN Timothy
Father Michael Mother Elle McNAMARA
At Trentham East 68 years 1909 Reg#4815
Probate file on
http://prov.vic.gov.au/index_search?searchid=54Interesting that a photo of the Trentham area is attached to Timothy's Will which was dated 18 Apr 1909 five days before his death.
Interred in the Tylden Cemetery
O’BRIEN Margaret 80 years 30 Jun 1914
Residence Sunbury
Rank Farmer’s wife
Parents unknown
Death
OBRIEN Margaret
Parents unknown
At Sunbury 80 years 1914 Reg#7632
Deaths at Sunbury are often at the Sunbury Asylum and inquests were routine for deaths in public institutions.
http://en.wikipedia.org/wiki/Sunbury_AsylumInquest Index
OBRIEN Margaret
1914 Ref#549
Cause Rupture Heart
29 Jun 1914
http://www.rootschat.com/links/0trt/The Argus Wed 11 Feb 1903
KYNETON On Tuesday morning, at St Mary's Roman Catholic Church, Kyneton the sacred offices of profession and reception of two nuns were performed. ……... Miss Annie O'Brien daughter of Mr. Timothy O'Brien, East Trentham, received the white veil, and will be known in religion as Sister Mary Teresa. ……..
http://www.rootschat.com/links/0tru/The Argus 29 May 1909
O'BRIEN–LENIHAN.–On the 21st April at St Francis R C Church, Melbourne, by the Rev Father Harnett, of Lancefield, Timothy J, second son of the late Timothy O'Brien, East Trentham, to Bridget Cecelia, second youngest daughter of John Lenihan, Lancefield.
Have a search on
http://trove.nla.gov.au/newspaper as there may be more about the
O'BRIEN family from East Trentham and Kyneton.
There is an
O'BRIEN listing at Trentham East
http://www.whitepages.com.au/wp/initResSearch.doI do hope this is your family
Cheers

Cando