Claim: J. K. Rowling's mother died in 1980.
Evidence: Born in Yate , Gloucestershire , England , Rowling was working as a researcher and bilingual secretary for Amnesty International when she conceived the idea for the Harry Potter series while on a delayed train from Manchester to London in 1990.
The seven-year period that followed saw the death of her mother , birth of her first child , divorce from her first husband and relative poverty until she finished the first novel in the series , Harry Potter and the Philosopher 's Stone , in 1997.