Born 1960 in Wolverhampton, England, Riddoch moved with her Scottish parents to Belfast in 1963, then to Glasgow in 1973, where she attended Drewsteignton, a fee-paying private school then located in the affluent suburb of Bearsden.
Born 1960 in Wolverhampton, England, Riddoch relocated with her Scottish parents to Belfast in 1963, subsequently moving to Glasgow in 1973, where she attended Drewsteignton, a private school situated in the upscale Bearsden suburb at that time.