Irish police reported that a man died during the storm which also brought localised flooding, fallen trees, transport disruption and school closures.
Republic of Ireland forecasting agency Met Eireann put its highest-level warning in place for Donegal between 4pm and 6pm on Friday.
An Garda Siochana said they were treating an incident where a man was seriously injured in the Letterkenny area of the county, shortly after 4.15pm, as weather-related.
Gardai later said he had died and his body was removed to the morgue at Letterkenny University Hospital, where a post-mortem examination will be carried out in due course.
The Electricity Supply Board (ESB) and NIE Networks said that there were hundreds of thousands without power across the island at the height of the storm’s impact.
That nu