Dorothea Mary FitzGerald1 
Mary Louisa FitzGerald1 
Dorothea Mary Fitzgerald1
From 1808, her married name became Kirwan.
Child of Dorothea Mary Fitzgerald and Patrick Kirwan
Patrick Kirwan1 
He lived at Dalgin Park, County Mayo, IrelandG.1
Child of Patrick Kirwan and Dorothea Mary Fitzgerald
Delia Field1
From 6 September 1806, her married name became Fitzgerald.
Children of Delia Field and Colonel Thomas George Fitzgerald
- Elizabeth Mary Fitzgerald2
- Sophia Fitzgerald2
- Charles Lionel William Fitzgerald+2 b. c 1809, d. 9 Nov 1834
Charles Lionel William Fitzgerald1 
He lived at Turlough, County Mayo, IrelandG.1
Child of Charles Lionel William Fitzgerald and Dorothea Julia Kirwan
- Charles Lionel Fitzgerald2 b. 24 Aug 1833, d. 28 Dec 1902
Elizabeth Mary Fitzgerald1 
Sophia Fitzgerald1 
Elizabeth Crowther1 
From 29 April 1819, her married name became Fitzgerald.
Children of Elizabeth Crowther and Colonel Thomas George Fitzgerald
- Major Henry Thomas George Fitzgerald+2 b. 5 Mar 1820, d. May 1890
- Elizabeth Geraldine Fitzgerald+2 b. 1822
- Mary Dorothea Fitzgerald2 b. 1824
