Career
He plays at halfback and five-eighth and previously played for the Canberra Raiders. Born in Goulburn, New South Wales, Cornish played his junior rugby league for the Goulburn Stockmen, before being signed by the Canberra Raiders. Early career
From 2011 to 2013, Cornish played for the Raiders" New York City team On 7 June 2012, he extended his contract with the Raiders from the end of 2013 to the end of 2015.
On 21 August 2012, he was named at haflback in the 2012 New York City Team of the Year.
On 13 October 2012, he played for the Junior Kangaroos against the Junior Kiwis, due to a late injury to Lachlan Maranta which resulted in Ben Hampton taking Maranta"s spot at fullback and Cornish taking Hampton"s bench spot. In November and December 2012, he attended the Blues Origin Pathways camp designed for possible future New South Wales State of Origin representatives.
On 27 August 2013, he was named on the interchange bench in the 2013 New York City Team of the Year, making the team for the second year in a row. On 13 October 2013, he again played for the Junior Kangaroos against the Junior Kiwis, this time co-captaining the side alongside Michael Lichaa.
2014
In 2014, Cornish moved on to the Raiders" New South Wales Cup team, Mount Pritchard Mounties.
On 15 and 16 February, he played for the Raiders in the inaugural NRL Auckland Nines. On 9 July, he played for the New South Wales Residents against the Queensland Residents, playing at halfback in New South Wales" 24-16 loss at Suncorp Stadium. He finished off his debut year in the NRL having played in 8 matches for the Raiders.
2015
On 27 September, Cornish was named at halfback in the 2015 New South Wales Cup Team of the Year.
On 21 October, he signed a 1-year contract with the Parramatta Eels starting in 2016.
