Wow thanks for all the responses! We only have a family tree, with the name Magarin on it he was definitely an aboriginal, not sure if he also went by Daniel Corrup, he is the father of Billy Kelly...
Is this your Magarin? alias Jim
KELLY, his age also fits with your chap (about age 35 in 1876)
Police Gazette Western Australia, 17th May, 1876
https://slwa.wa.gov.au/sites/default/files/187605_m.pdf pg 47 (pg 11 in this link) last notice hight hand column
MAGARIN alias JIM KELLY, ab. nat. Description— Proportionate appearance,
about 35 years, 5ft. l0 1/2 in., large beard and whiskers, very large eyes; recent shot wounds in fleshy part of left arm and right thigh, an old shot wound on one leg; is charged, on warrant issued 27th January, at Albany, with the murder of Duditch alias Mary, ab. native woman near Mungup
Other references to Magarin alias Jim Kelly
https://slwa.wa.gov.au/sites/default/files/01876_index_m.pdfIndex to the Police Gazette Western Australia 1876 (pg 3 has a reference)
Magarin alias Jim Kelly, ab. nat. pg 83
Police Gazette Western Australia 5th July 1876
https://slwa.wa.gov.au/sites/default/files/187607_m.pdf pg 83 (pg 11 in this link)
Apprehensions
Vide Warrants Issued, page 47
Magarin alias Jim Kelly, on the 10th inst., by L.C. McDonald and P.C. Pierl, 70 miles east of Kojonup
Police Gazette 2nd August 1876
https://slwa.wa.gov.au/sites/default/files/187608_m.pdf pg 94 (pg 6 in this link, right hand column)
WARRANTS ISSUED
TIBBY ab native...
....Warrant for a witness, issued at Albany on 19th July 1876, to give evidence against one Magarin alias Jim Kelly for murder of ab. woman Duditch alias Mary