John Tiffin Stewart

John Tiffin Stewart was a notable New Zealand civil engineer and surveyor and mapper. He was born in Rothesay, Bute, Scotland, in 1827 and was married to the social activist Frances Stewart. He is the father of Ellen Sarjeant who helped found the Sarjeant Gallery.

Career in New Zealand

Much of Stewart's early surveying work was in Palmerston North. Stewart and his family later moved to Whanganui. The home they built in Campbell Street Whanganui was later the Karitane home, "Stewart House", and also a hostel for Whanganui City College.
He worked as engineer for the Whanganui River Trust helping clear channels on the river.