Lady Adelaide FitzGerald (1860 – 18 November 1942) was an active member of the Wexford community, supporting children's welfare.

Throughout her adult life she actively participated and led efforts to help the poor, those needing medical care, abused animals, and more.

[1] Her husband, Lord Maurice FitzGerald died on 24 April 1901 of cerebral meningitis following a couple of days of influenza.

[1] Her son Gerald was killed in France in September 1914, during the early months of World War I while serving with the 4th Royal Irish Dragoon Guards.

[1] While both of Lady Fitzgerald and Lord Maurice were alive, they looked after the interests of poor Catholics, particularly ensuring that they received proper medical and hospital care, as well as final rites as they died.

[1] She died in November 1942 at the age of 82 and is buried with other family members in the private cemetery near the walled garden at Johnstown Castle.