A picture of Ashling Murphy in her graduation robes was projected on a Trinity College building as landmarks across the country were lit up to mark St Brigid's Day 2022.
The event, organised by the group Herstory, is a celebration of women who have contributed to Irish society and culture.
In poignant scenes at Trinity College on Monday night, a minute's silence was observed for Ashling Murphy, the primary school teacher who was killed last month
