John FitzGerald, 4th Earl of Desmond

John FitzGerald, 4th Earl of Desmond (died 1399) was the son of Gerald FitzGerald, 3rd Earl of Desmond.[1][2] He married and had one son, Thomas, who succeeded him as Earl of Desmond.[1][2]

John FitzGerald
Earl of Desmond
Blason fam fr Geraldin2.svg
PredecessorGerald FitzMaurice FitzGerald
SuccessorThomas FitzJohn FitzGerald
Died4 March 1399
Cause of deathdrowning
Spouse(s)Mary Bourke or Joan of Fermoy
Thomas FitzJohn FitzGerald
Aveline (or Eleanor)
ParentsGerald FitzMaurice FitzGerald
Eleanor Butler
Norman Ireland, showing the earldoms of Desmond and Ormond

According to Burke, John FitzGerald married Joan Roche, the daughter of Lord Fermoy.[1] On March 4, 1399 FitzGerald drowned at Ardfinnan on the River Suir, returning from an incursion into the territory of the Earl of Ormond..[3]

He was buried at Youghal, and succeeded by his son Thomas FitzJohn FitzGerald, 5th Earl of Desmond.[1]


Peerage of Ireland
Preceded by
Gerald FitzGerald
Earl of Desmond
1st creation
Succeeded by
Thomas FitzGerald