The Justice for Magdalenes group said it was aware of at least 988 women who are buried in laundry plots in cemeteries across Ireland and therefore must have stayed for life, however, the inquiry could only certify 879.
The last laundry, Sean MacDermott Street in Dublin's north inner city, closed in 1996.
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HM Inspectorate of Prisons also flagged up ‘chronic and substantial’ staff shortages at HMP Woodhill in Milton Keynes.
The over-payment totalled around £35,000 and involved three residents and different homes.
Ruth Faulkner received an apology after alleging discrimination relating to her pregnancy.