Background
He was the second son of Maurice Fitzgerald, 14th Knight of Kerry and his wife Elizabeth Crosbie, second daughter of David Crosbie.
He was the second son of Maurice Fitzgerald, 14th Knight of Kerry and his wife Elizabeth Crosbie, second daughter of David Crosbie.
He graduated with a Bachelor of Law and served then as Judge of the Admiralty Court.
In March 1746, Fitzgerald married firstly Lucy Leslie, daughter of John Leslie.