He was born in Napoleons to farmer James Chatham and Margaret Hanlon.
He worked in various sawmills and as a contractor before buying land at Rokewood Junction and becoming a leading wheat farmer.
He was elected to the Victorian Legislative Assembly at a by-election in 1913, representing Grenville as a member of the Labor Party.
He was expelled for supporting conscription in the 1916 Labor split, and did not run for re-election in 1917.
This article about an Australian Labor Party member of the Parliament of Victoria is a stub.