The "Report of the Commission of Investigation into the Catholic Archdiocese of Dublin" covered a period from 1975 to 2004.
It has laid bare a culture of concealment where church leaders prioritised the protection of their own institution above that of vulnerable children
in their care.
The report said the avoidance of public outrage, which would inevitably follow high-profile prosecutions, appeared more important than preventing
abusers from repeating their crimes.
Victim Marie Collins: "This is the end of a very long road"
Instead of reporting the allegations to civic authorities, those accused of horrific crimes were systematically shuffled from parish to parish where
they could prey on new, unsuspecting victims.
The report stated: "The Dublin archdiocese's pre-occupations in dealing with cases of child sexual abuse, at least until the mid 1990s, were the
maintenance of secrecy, the avoidance of scandal, the protection of the reputation of the Church, and the preservation of its assets."
It also said that the archdiocese "did its best to avoid any application of the law of the state".
It found that four archbishops - John Charles McQuaid who died in 1973, Dermot Ryan who died in 1984, Kevin McNamara who died in 1987, and retired
Cardinal Desmond Connell - did not hand over information on abusers.
The report said that authorities in the Dublin archdiocese who were dealing with complaints of child sexual abuse "were all very well educated
It added that, considering many of them had qualifications in canon law, and in some cases civil law, their claims of ignorance were "very difficult
Above the law
Civic authorities in Ireland, especially the police, were also criticised for their cosy relationship with the Church.
Irish Justice Minister Dermot Ahern: "Persons who committed these dreadful crimes...will continue to be pursued"
The report states that senior members of the force regarded priests as being outside their remit and it claims some police officers reported abuse
complaints to Church authorities instead of carrying out their own investigation.
The commissioner of the Irish police, Fachtna Murphy, said it made for "difficult and disturbing reading, detailing as it does many instances of
sexual abuse and failure on the part of both Church and State authorities to protect victims".
He added: "The commission has found that in some cases, because of acts or omissions, individuals who sought assistance did not always receive the
level of response or protection which any citizen in trouble is entitled to expect from An Garda Síochána (the Irish police).
He said he was "deeply sorry" for the failures.
Cardinal Sean Brady said he was 'deeply ashamed'
The Irish Minister for Justice, Dermot Ahern, whose department commissioned the report, called it a "scandal on an astonishing scale" where the
"welfare of children counted for nothing".
He vowed to bring those who had carried out the abuse to justice, regardless of the amount of time which had passed.
The Commission's work concentrated on a "representative sample" of complaints made by 320 children against 46 priests, 11 of whom were convicted of
sexual assaults on children.
The number of complaints of abuse made by boys was more than double those submitted by girls.
The Commission said it was satisfied that "effective structures and procedures currently in operation" and that all complaints of clerical child
sexual abuse are now reported to police.
Thursday's report comes six months after the publication of the Ryan report in May, which took submissions from 2,000 people who said they had
suffered physical and sexual abuse while in the care of Catholic-run institutions.
The Ryan report, also known as the report of the Commission to Inquire into Child Abuse, found church leaders knew that sexual abuse was "endemic" in
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