Prices rose in October by the largest amount on an annual basis in 14 years.
CSO figures show the inflation rate hit 5.1% last month.
The last time is was that high was in April 2007.
Increases in the cost of transport, housing, electricity, gas and other fuels contributed to the price rises.
Chronic Effect Of Ongoing Weather Is Impacting Wicklow As County Council Notifies Of Road Closures
Brad Pitt Project To Shoot On Shores Of Lough Tay As Wicklow Provides Backdrop For The Riders
Primal Scream To Provide Exclusive Irish Headline Show In Wicklow As Beyond The Pale Lifts January Blues
UPDATE: Stolen Dog Returned to Wicklow NSPCA Centre In Rathdrum
Fresh Flooding Fears & Wicklow Council Update - New Yellow Rain Alert Kicks In At Midnight