Adam Hackett1 
He gained the rank of Lieutenant in the Army.1
Colonel Samuel Hackett1 
He gained the rank of Colonel in the 38th Regiment.1
Richard Hackett1 
He held the office of Justice of the Peace (J.P.)1 He lived at Elm Grove, County Offaly, Ireland.1
Child of Richard Hackett and unknown daughter FitzGerald
- Frederick Hackett2 d. 1908
Children of Richard Hackett and Jemima Sadleir
Reverend E. FitzGerald1
Child of Reverend E. FitzGerald
unknown daughter FitzGerald1
Her married name became Hackett.
Child of unknown daughter FitzGerald and Richard Hackett
- Frederick Hackett2 d. 1908
Frederick Hackett1 
He gained the rank of Captain in the Army.1
Edward Bourke1
Child of Edward Bourke
- Maria Bourke+1 d. 27 Jan 1876
- [S31] Bernard, Sir Burke, editor, Burke’s genealogical and heraldic history of the landed gentry of Ireland, 4th ed. (London, U.K.: Burkes Peerage Ltd, 1958), page 168. Hereinafter cited as Landed Gentry of Ireland.
Thomas Sadleir1 
He lived at Castletown, County Tipperary, Ireland.1 He gained the rank of officer in the Royal Navy.2 He held the office of Justice of the Peace (J.P.) for County Tipperary.2 He held the office of High Sheriff of County Tipperary in 1859.2
Children of Thomas Sadleir and Eleanor Elmina Saunders
- Jemima Sadleir+2 d. 27 Feb 1907
- Mary Ellen Annette Sadleir2 d. 9 Nov 1906
- Adelaide Sadleir2 d. 2 Jun 1877
- Georgina Sadleir2 d. 1891
- Eleanor Thomasina Sadleir2 d. 21 Feb 1870
- Thomas Owen Saunders Sadleir2 b. 7 Jul 1835, d. 13 Oct 1904
Jemima Sadleir1 
From 30 June 1856, her married name became Hackett.
Children of Jemima Sadleir and Richard Hackett