Lord Dunsandle and Clanconal was Assistant Private Secretary to Prime Minister Benjamin Disraeli between 1874 and 1880.
The soldier and polo player Denis St George Daly was an illegitimate son of the second Baron.
William Daly, another illegitimate son of the second Baron, was High Sheriff of County Galway in 1901.
The Right Reverend Robert Daly, brother of the first Baron, was Bishop of Cashel and Waterford.
St George Daly, uncle of the first Baron, was a Judge of the Court of King's Bench (Ireland).