George Richard Parkin was the brother of George Frederic Parkin and both were sons of George Anthony Parkin, the pharmacist in Borrowash and Edith Parkin.
George Richard appears to have emigrated to Canada and to have joined the Canadian Infantry.
Commonwealth War Graves Commission
PARKIN, GEORGE RICHARD
Rank: Private
Service No: 55092
Date of Death: 16/09/1916
Age: 29
Regiment/Service: Canadian Infantry, 19th Bn.
Grave Reference: I. N. 5.
Cemetery: ALBERT COMMUNAL CEMETERY EXTENSION
Additional Information: Son of George Anthony and Edith Parkin, of The Pharmacy, Borrowash, Derbyshire.
See Canadian Virtual War Memorial: http://www.veterans.gc.ca/eng/remembrance/memorials/canadian-virtual-war-memorial/detail/552159?George%20Richard%20Parkin