I have been able to find this on George
Cullen.
CULLEN George
Age 36
F/B GS Government
ServantShip
RegaliaYear 1826
S 7
R C catholic
Occuption
CoachmanEmployeror/ Or Remarks To H. H. McArthur
Residence
Vineyard Cot Parramatta
Ref No C3196 - C3229
I always tried to a find Johanna/Johannah Walter or
Preston or
Cullen. I could find no one of this name.
Not sure if you have seen this website,but i have slipped this in as well.
http://www.monaropioneers.com/cullen-g.htm