The 78-year-old, who cannot be named to protect the identity of his victim, appeared at Wicklow Circuit Criminal Court for the finalisation of his sentencing.
The accused was charged with a total of 53 offences in relation to sexually assaulting his granddaughter.
The accused had previously appeared in November for sentencing, but Judge Patrick Quinn adjourned the matter to allow time to finalise the decision.
At a previous sitting of Wicklow Circuit Criminal Court, the court was told that in September 2024, gardaí became aware of the allegations following a dispute at the defendant’s home, where he lived with the victim and her mother.
The dispute centred on a love bite on the victim’s neck. The victim, who was a teenager at the time, remarked that the defendant was “just jealous that he hadn’t been the one to give her the love bite”.
The court also heard that the victim’s mother contacted gardaí to report the abuse after her daughter disclosed what had happened.
In her interview, the victim said the abuse began when she was 11 years old and that the defendant abused her four to five times a week.
Detective Garda Stephanie Hallahan told the court in November 2025 the defendant had said he was “in a relationship to a certain extent” with his granddaughter. The defendant had been providing childcare for his daughter.
During sentencing, Judge Quinn revisited the details of the original hearing, remarking on the defendant’s relationship with his granddaughter, whom his daughter had fostered along with another young girl.
The judge said he recalled the victim impact statement given by the defendant’s daughter, referring to one line from it: “We were a small, loving and sometimes chaotic family, but we were a real family.”
The court heard that the damage caused was profound and that the long-term impact on the family remains uncertain.
Judge Quinn noted the “deep shame” that the defendant now faces in going to prison after what had otherwise been a “decent life,” including a distinguished career in the civil service and raising his children after losing his wife at a young age.
The defendant’s offending was considered to be on the lower end of the upper scale.
Judge Quinn acknowledged that he cooperated with gardaí, including returning from mainland Europe for questioning.
Judge Quinn imposed a sentence of six years imprisonment, with the final 18 months suspended for a period of 18 months.
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