He did come to Nelson, New Zealand.
Family Search has,
"New Zealand, Immigration Passenger Lists, 1855-1973," Thos Joughin, 1875
Name: Thos Joughin
Event: Immigration Arrival Date: 22 Jan 1875
Event Place: New Zealand
Gender: Male Age: 19
Origin: Isle Of Man
Occupation: Shoemaker
Ship: Michael Angelo
Departure Date: 31 Oct 1874
Ship's Arrival Port: Arrival Port: Nelson
Digital Folder Number: 004412891
Image Number: 00017
New Zealand, Probate Records, 1878-1960
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Probate Court - Nelson