John Dempsey snr jailed for nine years for raping partner’s niece

This report is a localnews.ie summary based on public court reporting and records; sources are listed below.

A Central Criminal Court judge jailed John Dempsey snr for nine years after he pleaded guilty to seven counts of raping Lillian Byrne between 1980 and 1991. Byrne had waived her anonymity.

The judge set a 14-year headline sentence, reduced it to 10 years after considering mitigation, and suspended the final year on strict conditions, including three years under Probation Service supervision. He said Dempsey had breached a position of trust and that his actions continued to affect Byrne.

Dempsey began grooming Byrne when she was 12 and abused her throughout her teenage years. In her victim impact statement, she described the lasting effects on her and her family.