He was seriously injured in the incident on October 11th.
An Offaly cyclist has died after he was struck by a car earlier this month.
The man in his 60s, who has been named locally as Patrick Seery of Clonbrone, Birr, was seriously injured in the collision on October 11th.
A family Memorial Mass will take place on Friday in St. Brendan’s Church, Birr, at 12 noon.
He is survived by his son Paul.