[4] Born at St Anne's Hospital, Mt Lawley in 1951, Horin grew up in Applecross, Western Australia, a suburb of Perth.
[7] Horin worked as a correspondent in New York, initially for The Australian Women's Weekly and Cleo magazines, and then for The Sydney Morning Herald.
[7] She later worked in Washington, New York and London covering politics, society and economics for The National Times newspaper, considered in its day to be a pioneering exponent of investigative and social issues journalism.
[8] In Australia, after a period with the ABC Radio National Life Matters programme she joined The Sydney Morning Herald.
[9] In her column on 25 August 2012, Horin announced her retirement from The Sydney Morning Herald "not to spend the day in a dressing gown but to think, write, participate, and to engage with my generation in a different way".