I am looking for drumm's on my father's side.

My grandfather's name was Joseph Drumm born 1900 in Greymouth, New Zealand died 1970 in Wellington, New Zealand
His father John Louis Drumm born 1878 Greymouth, NZ died 1918 Greymouth, NZ
His father James Joseph Drumm born 1842 Joneskillow, Ireland died 1886 Greymouth, NZ

Joseph was married to Hilda Jessie Leslie born Ch Ch, NZ 1902 died 1991
John was married to Grace Evelyn Blair born Masterton 1879 died 1935 in NZ
James was married to Estella Catherine Reyline born Sydney 1851 died 1929 in NZ

I am trying to find James parents & siblings from Ireland.