Green’s Dictionary of Slang

shagroon n.

[? Irish seachrán, wandering]

(N.Z.) an early settler in Canterbury, New Zealand, from anywhere except Britain, esp. one from Australia.

Lyttleton Times (Canterbury) 31 May 5/1: We quoted ‘the Dream of a Shagroon,’ because [...] it gives us the opportunity of deprecating in the strongest terms anything like a spirit of rivalry or jealousy between the land purchasers and squatters in our settlement.
Lyttleton Times (Canterbury) 12 June 4/2: Notice to Correspondents [...] ‘The Shagroon's Consolation’ is hardly up to the mark. The lines do not efficiently reply to the amusing earnestness of the ‘Shagroon's Lament,’ which is, in its way, a gem of the first water.
[NZ]Taranaki Herald (NZ) 18 June 4/3: He too [...] could tell us something about the whistle of a bullet and the shriek of round shot sent upon a serious miss'on. I am, yours, &c, AN OLD SHAGROON.
W. Pratt Colonial Experiences of Incidents of Thirty-four Years in N.Z. 234: In the ‘Dream of a Shagroon,’ which bore the date Ko Matinau, April 1851, and which first appeared in the ‘Wellington Spectator’ of May 7, the term ‘Pilgrim’ was first applied to the settlers; it was also predicted in it that the ‘Pilgrims’ would be ‘smashed’ and the Shagroons left in undisputed possession of the country for their flocks and herds.
[UK]Star (Canterbury) 27 Oct. 3/6: I hope the person who styles himself ‘Shagroon’ will [...] not endeavour to stigmatise unfortunates by hap-hazard claptrap.
[UK]E.E. Morris Austral Eng. 410/1: Shagroon, n. When the province of Canterbury, in New Zealand, was first settled, the men who came from England were called Pilgrims, all others Shagroons, probably a modification of the Irish word Shaughraun.
[NZ] (ref. to 1850s) L.G.D. Acland Early Canterbury Runs (1951) 13: The Australians were nicknamed ‘Prophets’ or ‘Shagroons’.
[US]Honolulu Star-Bulletin (HI) 19 June 32/1: A shagroon is an original settler.
[NZ] (ref. to 1850s) McGill Dict. of Kiwi Sl. 98/2: shagroons Australian squatters in Canterbury, 1851–52.
[UK]Guardian 5 Sept. 35/2: Whalers were followed by the settlers, shagroons, and squattocracy with their gummies and cowspanking.
[NZ]McGill Reed Dict. of N.Z. Sl. [as cit. 1988].