James Connolly would be saddened to see "families short of the necessities of life" 100 years after the rebellion, President Michael D Higgins told a commemoration event celebrating the Labour founder.
The President was speaking at the Capuchin Day Centre on Church Street, where he also revealed he had visited families who used the service.
He praised "the quiet, determined, great intellectual strength of James Connolly, the internationalist, the feminist, the person who cared for the poor, the kind person who dealt with young people and so forth''.
"We live a fragile existence on this planet and we're at our best when we care for each other," he added.
His views were echoed by Siptu president Jack O'Connor, who told those who moved to Arbour Hill for the second part of the ceremony that the vision Connolly had for Ireland has not been realised.
"There are children in this very area and throughout Dublin returning to a hotel room or bed-and-breakfast hostel each night rather than a home of their own," he said.
"Their physical living conditions are not as stark as those of their great- grandparents, but they suffer from a similar sense of insecurity and second-class status in our society," he added.
A second commemoration event held in Glasnevin Cemetery to remember Daniel O'Connell urged that his contribution to modern Ireland not be forgotten.