According to his death certificate, John spent 25 years in Western Australia. He was general Manager for 20 years In the Wyndham district for Wm. Naughton and Company (TROVE; Townsville Daily Bulletin Tuesday, 11 April 1944 pg 2).
John was a station manager at Mabel Downs Station (also known as Cartridge Springs until turn of the century), located on the Wyndham road near Turkey Creek in Western Australia. In 1916, this was owned by a Mr. Norton from Queensland. When stationed there he fathered Ivy, as confirmed by John RADIMY (British) being listed as father on her NOTICE OF INTENTION TO MARRY notice to Leonard Cyril Vivian MILLS (dated 1st June 1940).
The West Australian, 18 Aug 1916 (TROVE) cites John in part three of a three-part series "A TRIP THOUGH KIMBERLEY, Impressions of Tour" by the Chief Protector of Aborigines (Mir. A. O. Neville), describing his trip through the Kimberlies from Fremantle to Wyndham.
According to the Western Argus in Kalgoorlie, Tue 16 SEP 1919 (TROVE), John was made a Justice of the Peace for the Kimberley magisterial district (he was listed as living in Turkey Creek at the time). In the book More Lonely Graves of Western Australia (by Yvonne and Kevin Coate. ISBN 0 85905 276 1), there is a reference to John Rademy on page 231. It states he was a JP and witness to a burial of Richard James Eye McCale on 6/8/1922 at Bow River near Turkey Creek.
According to the Sunday Times in Perth, Sun 17 Feb 1918, a J. Rademy had a horse named "Banker" in several races which were part of the Kimberley Goldfields Amatuer Jockey Club in Halls Creek 5-7 Dec 1917.
According to the Daily News in Perth, 23 Dec 1920; pg 6 (TROVE), John was manager of Lissadell Station (near the Argyle Diamond Mine in WA). The artilce (titled "LOST ON THE FRINGE") describes John's account of finding a party of two men (Smith and Bass) from the lugger "Henry", which was wrecked near Cape Voltaire.
In 1921, he married Elizabeth Annie WEBSTER in Ashfield, New South Wales.
In the Melbourne Argus 10 Oct 1919, page 5 (TROVE) and The Geraldton Guardian, Thu 12 Jan 1922, page 2 (TROVE), John, whilst manager of Violet Valley Station discovered the worlds "rarest animal", a Wyulda squamicaudata (Scaly-tailed possum).
On the 17/18th June 1921, John is cited with Ambrose Durack as being part of the trip to determine the WA/NT border:
http://www.kununurra.org.au/research/1921-wa-nt-border-determinations According to the Northern Terrotory Standard, Tue 18 NOV 1932, there is a Mr. Rademy from Cartridge Station listed in a story on the horse races in Wyndham, Western Australia.
There is a "Rademy Spring" in the Wyndham region, outside of the operational footprint of the Savannah mine (240 kilometres south of Kununurra) and part of the Stoney Creek water system. Exact location as yet unknown.