In 2020, the Offender Database recorded that then 60-year-old John Joe Patterson—of Kilclooney, Thurles, Tipperary—was released from prison following a series of predatory strikes against his stepdaughters. The investigation established that Patterson’s serial child abuse began when each of his victims, sisters Emma and Vanessa Witherow, was only nine years old. The prosecution reported at Nenagh Circuit Court that Patterson utilised a calculated system of grooming and bribery, giving Emma €50 after physical strikes and telling her, “Good girl. Don’t tell mammy.”
The investigation established that Patterson was found guilty by unanimous verdict in 2015 of 39 counts of sexual assault against Emma and pleaded guilty to the sexual violation of Vanessa. Despite the scale of his serial child abuse, the prosecution reported that Patterson was sentenced to eight years with the final 18 months suspended, resulting in his release in 2020 after serving less than five years. Upon his release from Midlands Prison, Patterson attempted to conceal his identity, while his victims reported they were “sick to the stomach” that he had returned to the community.
JUDICIAL FINDINGS AND FAMILY IMPACT
The court reported that Patterson represented “the dark underbelly of Irish family life,” having destroyed the sisters’ childhoods and their relationship with their mother and younger brothers. The investigation established that the girls’ mother, Frances Patterson, chose to stand by the paedophile, even holding his hand throughout the sentencing and dismissing the victims’ reports as “attention seeking.” The prosecution reported that Emma displayed immense bravery by fleeing the home at 18 to rescue her younger sister from the predator’s reach.
Judge-led proceedings in 2015 concluded that Patterson’s behaviour identified an individual who prioritised his own perverted gratification over the safety and human rights of the children in his care. For his actions in Thurles and Cashel and the nature of the serial sexual violence reported, Patterson was incarcerated. The investigation established that since his release in 2020, he is subject to strict notification requirements, though his victims reported a valid fear that he remains a threat to others due to his total lack of remorse.
STATUS AND STATUTORY REQUIREMENTS
Based on the judicial records as of 2020:
- Legal Status: CONVICTED (Sexual assault x40).
- Custodial Status: RELEASED (In 2020, freed after serving less than 5 years of an 8-year sentence).
- Sex Offenders Register: Notification requirements are active FOR LIFE.
- Supervision Status: Subject to the 18-month suspended portion of his sentence and post-release supervision.
- Family Status: Estranged from victims; supported by his wife Frances.
- DBS Status: Placed on the Barred List (Indefinite and permanent ban from any role involving children or regulated activity).
- Judicial Oversight: Sentenced at Nenagh Circuit Court; investigated by An Garda Síochána.
- Criminal Record: Committed 39 sexual assaults against one stepdaughter and abused the second; Used bribery to buy silence; Destroyed the family unit; Released in 2020.
- Origin: Kilclooney, Thurles, Co. Tipperary (Originally from Cashel).
MONITORING AND PUBLIC PROTECTION
Patterson is managed as a high-risk offender under the statutory requirements of the Sex Offenders Act in Ireland. Due to the nature of his behaviour—specifically his “serial” targeting of children within a domestic setting and his use of financial grooming—he is a priority for monitoring by the Gardaí. Authorities reported that the 2020 release ensures Patterson is permanently flagged on national databases, meaning any attempt to hold a position of trust or interact with children in Thurles, Cashel, or elsewhere will be blocked.
As a registered sex offender for life, his details are permanently logged on the national database. Authorities state that Patterson’s behaviour identifies an individual who violated the human rights and safety of defenceless children. Any failure by Patterson to adhere to his notification requirements or his strict release conditions will result in immediate police intervention and a potential return to prison to ensure the ongoing safety of the public from a man who has violated the principles of human decency.
QUESTION – Given that the offender was “Released after serving less than five years” for 40 counts of abuse, do you believe the law should legally mandate that any offender convicted of more than 10 counts of sexual assault must serve 100% of their sentence with no possibility of a suspended portion or early release?
If you or anyone you know has been affected by the individuals highlighted on this website, please report them to the Police on 101 (999 in an emergency) or visit their online resources for further details on reporting a crime. You can also report to Crimestoppers if you wish to remain completely anonymous. There is help available on our support links page.

