Case No. 0861Rape, sexual assault · Co. Dublin
David Mason jailed for 12½ years for raping and sexually abusing two sisters in Ballymun
David Mason, a 49-year-old man from Ballymun, Dublin 11, was convicted in March 2026 of raping and sexually abusing two sisters when they were children in his neighbourhood. The older sister was seven when Mason, then 19, first began abusing her, and the abuse continued for two years including five incidents of rape; the younger sister was first assaulted at about three. Mason, who had pleaded not guilty to 23 counts of sexual assault, five counts of rape and three further counts of sexual assault, was sentenced by Judge Kerida Naidoo in the Central Criminal Court to consecutive terms totalling 13 years and six months, with the final 12 months suspended, giving an effective jail term of 12 and a half years.
- Reportednot reported
- Arrestednot reported
- Chargednot reported
- In courtnot reported
- Verdictnot reported
- Sentenced8 Jun
2 reports
reportedhappened, not reportedlatest stagenot yet
Key facts
consolidated from all reports- What happened
- David Mason, 49, of Graigue Court, Ballymun, Dublin 11, was convicted of sexual offences against two sisters.
- The older sister was seven when Mason, then 19, first began sexually abusing her, and the abuse continued for two years including five incidents of rape.
- The younger sister was about three years old when Mason first sexually assaulted her.
- When
- Mason was interviewed in November 2021 and denied all allegations, was charged in 2022, and was interviewed again in November 2024 where he denied the older sister's allegations.
- Charges
- Mason pleaded not guilty to 23 counts of sexual assault and five counts of rape against the older sister and three charges of sexual assault against the younger sister.
- In court
- Mason was convicted following a trial in the Central Criminal Court in March 2026.
- Sentence
- Judge Kerida Naidoo imposed consecutive sentences totalling 13 years and six months, with the final 12 months suspended on strict conditions including engaging with the Probation Service for two years.
- Other details
- Mason is a father of two with a record of employment, is on medication for diabetes, and has no previous conviction.
- The older sister described experiencing panic attacks and nightmares, and the younger sister said she viewed suicide as a way to escape.
34 statements extracted from the articles
- whatDavid Mason, 49, is from Graigue Court, Ballymun, Dublin 11. (irishtimes.com)
- whatThe older sister was seven years old when Mason, then 19, first began to sexually abuse her. (irishtimes.com)
- whatThe abuse continued for two years and led to five incidents of rape. (irishtimes.com)
- whatThe first incident of rape occurred around the time of the older sister's Communion. (irishtimes.com)
- whatThe younger sister was first sexually assaulted when she was about three years old. (irishtimes.com)
- whatThe younger sister is 16 years younger than Mason. (irishtimes.com)
- whatThe older sister described experiencing panic attacks and nightmares. (irishtimes.com)
- whatDavid Mason, 49, of Graigue Court, Ballymun, Dublin 11, was sentenced for sexual offences against two sisters. (irishmirror.ie)
- whatThe older sister was 7 years old when Mason, then 19, first began to sexually abuse her. (irishmirror.ie)
- whatThe abuse continued for two years and led to five incidences of rape. (irishmirror.ie)
- whatThere was an open-door relationship between the two families and Mason often minded the two girls. (irishmirror.ie)
- whatThe younger sister was around three years old when Mason first sexually assaulted her. (irishmirror.ie)
- whatThe older sister's first incident of rape occurred around the time of her communion. (irishmirror.ie)
- whatThe older sister described experiencing panic attacks and nightmares as a result of the abuse. (irishmirror.ie)
- whatThe younger sister said she viewed suicide as a way to escape. (irishmirror.ie)
- whenMason was interviewed in November 2021 and denied all the allegations. (irishtimes.com)
- whenMason was charged in 2022. (irishtimes.com, irishmirror.ie)
- whenMason was interviewed again in November 2024 and denied the older sister's allegations. (irishtimes.com, irishmirror.ie)
- investigationMason was interviewed in November 2021 and denied all allegations. (irishmirror.ie)
- chargeMason pleaded not guilty to 23 counts of sexual assault and five counts of rape against the first sister. (irishtimes.com)
- chargeMason also faced three charges of sexual assault against the younger sister. (irishtimes.com)
- chargeMason pleaded not guilty to 23 counts of sexual assault and 5 counts of rape against the older sister. (irishmirror.ie)
- chargeMason also faced 3 charges of sexual assault against the younger sister. (irishmirror.ie)
- courtMason was convicted following a trial in the Central Criminal Court in March 2026. (irishtimes.com, irishmirror.ie)
- courtEoghan Cole was defending Mason. (irishtimes.com)
- courtDet Garda Brian Morrissey told Carl Hanahoe, who was prosecuting. (irishtimes.com)
- courtThe judge said consecutive terms were necessary because there were two victims. (irishmirror.ie)
- sentenceJudge Kerida Naidoo imposed consecutive sentences totalling 13 years and six months. (irishtimes.com)
- sentenceThe final 12 months of the sentence were suspended on strict conditions. (irishtimes.com)
- sentenceMr Justice Kerida Naidoo imposed consecutive sentences totalling 13 years and 6 months. (irishmirror.ie)
- sentenceThe final 12 months of the sentence were suspended on strict conditions including engaging with the Probation Service for two years. (irishmirror.ie)
- otherMason is a father of two with a record of employment and is on medication for diabetes. (irishmirror.ie)
- otherMason has no previous conviction. (irishmirror.ie)
- otherThe judge acknowledged Mason was a young adult at the time of his offending. (irishmirror.ie)
The reporting
newest first- 9 Jun2026Man who raped two sisters jailed for more than 12 years
Sentencing report with full victim impact statements, details of the abuse pattern, and the judge's reasoning for consecutive terms.
convicted, David Mason, 49, male, named, irish (judged from name)David Masonvictim, female, irish (judged from name)victim, female, irish (judged from name) - 8 Jun2026Man jailed for 12½ years for abusing two sisters
Reports the sentencing of David Mason, who received consecutive terms totalling 13 years and six months with the final 12 months suspended, for the sexual abuse of two sisters in Ballymun, Dublin 11.
convicted, David Mason, 49, male, named, irish (judged from name)David Masonvictim, femalevictim, female