Unui Doo (born Chan Yau-nui; c. 1874 – 18 August 1940) was a Chinese New Zealand businesswoman and shopkeeper.
She managed a grocery store in Auckland that served as a social centre for the Chinese community.
They ran an import-export business and managed a grocery store in central Auckland that sold Chinese goods, including herbal medicines, soya sauce and rice.
[3] Their store functioned as a bank, post office, and social club, that catered mostly to single Chinese men.
[4] During the 1918 Spanish flu epidemic, she produced an herbal tonic that was made available for free to the community.
[5] She selected women for her sons to marry, giving them tests in mathematics and calligraphy, and ensuring they were literate.