David
The world is small, I was intrigued with your phrase ‘became my grandfather’.
that nephew the Robert McGimpsey you mention, that arrived in New Zealand, later lived as an Engineer in Otiake Otago..{Omarama is in the Waitaki District, in the historic Province of Otago South Island New Zealand.} he appears to been unmarried and without children, he made his Will while under military service in 27 August 1914 died about 20 September 1916 He is buried at Buried at BULLS ROAD CEMETERY, FLERSLocation: Somme, France Number of casualties: 475 Cemetery/memorial reference: III. F. 23.
with further information Aged 23 New Zealand Engineers Son of James and Elizabeth J. McGimpsey, of Otioke, Oamaru, New Zealand. see
https://www.cwgc.org/find-war-dead/casualty/193865/mcgimpsey,-robert/.. he is further commemorated inhis published letters
At the time of his death he was a Sapper No4/427 in the New Zealand Expeditionary Force.
The probate was completed 15th June 1918 he left everything to a Thomas McGimpsey, youngest son of James McGimpsey a farmer also in Omarama is in the Waitaki District, in the historic Province of Otago
see family search
https://www.familysearch.org/ark:/61903/3:1:3QS7-892C-8G4B?i=140&cc=1865481changing to more recent time I dont know if you have seen
in 28 July 2008 Ian Robert McGimpsey started a query for his ancestry New Zealand McGimpseys he left this email, and had replies
My GGF was James McGimpsey (Born 1850 Co Down, Ireland Died 25 Feb 1921 [was also in WW1 NZ Infantry] Otiake, North Otago, New Zealand). Married 4 Feb 1885 Otiake, North Otago to Eliza Jane McCone Born 12 Nov 1868 Carrickfergus, Co Antrim, Ireland.
My GF was William James (B 31Dec1885 Otiake, North Otago D 10Oct1970 Owaka, South Otago) M 8Apr1909 Kurow, North Otago to Robina Mary Irvine (B 26Jan1892 D May1953).
My Father Robert McGimpsey (B Oamaru, North Otago 12Mar1915 D Oamaru 4Jul2006)M Margaret Lindsay Fullerton (B 13Jan1918) I am Ian Robert McGimpsey (B 15Sep1955 Kurow, North Otago).
lest we forget