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.
Pride Of A County - Comeback Kings Wicklow Overcome 12-Point Mountain To End Wait For National Glory
No Changes To Starting Team As Wicklow Football Yearns For Historic Croker Triumph
Wicklow Braced Once More As Coillte Signal Orange Fire Warning
Wicklow Boss Targets Tailteann Cup Glory As Down Challenge Looms At Croke Park
Wicklow TD Calls For Straw Incorporation Funding For Struggling Tillage farmers