Bit More,
I have found a polling place in the 1903 roll for DARLING, spelling "Canonbar" and there's some BROWN listings there. (1903 is first year for females aged 21 and over to be eligible to enrol to vote)
All with surname BROWN and alpha by first names (so tis up to you to figure out which families each belong to, remembering the females could be there under Brown as their married surname)
Anna Isabella, at Reedy corner, domestic duties
Charles Robert, at Half Moon Station, manager
John Thomas, at Reedy corner, grazier
Sydney Brisbane at Half Moon Station, overseer
Thomas Brisbane at Canonba (spelling definitelyas per roll) grazier
Also of course there's others on the same page, and their addresses include localities that strike bells for me eg
Girilambone, Belarbone, Merryanbone,
The entire roll fits on one page, just 51 persons enrolled at that polling place.
Any names you want me to check ? - In laws etc.
Cheers, JM