John Hennessy was a son of Denis Hennessy

 John Hennessy's first marriage to Mary Mead 

Mary Mead was a daughter of William Mead and Mary Sullivan.

John Hennessy (25), a labourer of Foxes Street and Mary Mead, (22) of Foxes Street married in the Catholic Church in Bandon on 4 September 1875.  The Witnesses were Thomas Burke and Mary Donovan.

 

Child born in Foxe's Street:

Catherine Hennessy, 6 Jan 1876

Death:
Mary Hennessy died on 10 February 1880.  From her death record she was married, aged 24 years, wife of a labourer.

 John Hennessy's second marriage to Mary Kehily 

                           John Hennessy                                                Mary Kehily

Mary Kehily was a daughter of Daniel Kehily

John Hennessy, a widower, of Foxs Street, Bandon and Mary Kehily of Kilbrogan, Bandon married on 27 May 1884 in St Patrick's Catholic Church in Bandon.  The witnesses were Jeremiah Fitzpatrick and Hannah Carey.

Children born on dates on Civil Birth Register:

Mary Hennessy, 8 Mar 1885 @ Foxe's Street.   Mary died on 16 Mar 1895 due to meningitis

Denis Hennessy, 25 Jan 1888 @ Foxes Street.  Denis died in Cork on 28 July 1964 - a bachelor

John Hennessy, 25 Aug 1890 @ Clancoole.   John died at Monorone on 3 Oct 1940 - a bachelor

Patrick Hennessy, 27 Mar 1893 @ Warner's Lane.  Patrick married Margaret Browne in 1918

Hannah Hennessy, 22 Feb 1896 @ Warner's Lane.  Hanna married John Hayes in 1923

Michael Hennessy, 23 Feb 1896 @ Warner's Lane.  Michael (Mickey) was a bachelor

Daniel Hennessy, 28 Feb 1897 @ Warner's Lane.  Daniel married Catherine Buckley

Margaret (Maggie) Hennessy,  21 Oct 1901 @ Warner's Lane.  Margaret married Thomas Dowling in 1928

Census 1901:
http://census.nationalarchives.ie/pages/1901/Cork/Ballymodan/Cloughmacsimon/1088126/

Death:
John Hennessy died on 26 January 1909 at Warner's Lane.  From his death record he was married, aged 64 years, a labourer.  Present at his death and the Informant of it to the Civil Registrar was his widow, Mary Hennessy of Warner's Lane.
 

Census 1911:
http://census.nationalarchives.ie/pages/1911/Cork/Ballymodan/Warner_s_Lane/372226/

Death:
Mary Hennessy died at Monorone, Bandon on 1 November 1929.  From her death record she was a widow, aged 74 years, widow of a labourer.  Present at her death and the Informant to the Cvil Registrar was Hanah Hayes, her daughter of Monorone.  She was buried on Sunday, 3 November in Ballymodan cemetery, Bandon.