Rosny Farm was first established by Richard Morgan, a former First Fleet convict, who following a stint on Norfolk Island where he prospered as a sawyer and overseer from 1790 - 1805. It was there on Norfolk Island, Richard married his wife, Catherine and where they had 7 children.
In 1809 the family was already well established with 18 acres of the grant sown in wheat, 9 cattle, 97 sheep, 2 goats and a pig. The couple and 7 children# were receiving public rations. In 1819 Morgan was recorded holding 200 acres reflecting a solid and growing level of prosperity.
Built around 1815, the sandstone barn (one of the oldest in Australia) & associated outbuildings are reminders of Morgans occupancy. The sandstone cottage C 1840 replaces an earlier dwelling.
Catherine died aged about 57 and was buried on 27 July 1828.
Richard died at Kangaroo Point, Clarence, in September 1837 aged 78.
Around 1900, the Nichols family cropped oats on the farm site using horse drawn binders. The family lived at Rosny Cottage, using the barn and outbuildings for storage of machinery.