John Mahony was a son of John Mahony
Mary Driscoll was a daughter of Cornelius Driscoll and Elizabeth Wholey.

John Mahony, a farmer and Mary Driscoll married 25 February 1868 in the Catholic Church in Drimoleague.  The Witnesses were Cornelius Driscoll and William Driscoll.
 

Children born in Drimoleague on dates shown in Civil Birth Register:

Catherine Mahony, 5 Apr 1869;  sponsors at baptism: John Driscoll, Honora Driscoll

James Mahony, 11 June 1870;  sponsors at baptism: John Kingston, Julia Brien

Mary Mahony, 26 Nov 1871;  sponsors at baptism: Con Driscoll, Nelly Driscoll

Patrick Mahony, 11 Mar 1874;  sponsors at baptism: Patrick Wholly, Eliza Driscoll

John Mahony, 8 Feb 1876;  sponsors at baptism: Jerh Driscoll, Hannah Wholly

Elizabeth Mahony, 20 Apr 1878;  sponsors at baptism: Jeremiah Crowley, Margaret Driscoll

Ellen Mahony, 4 June 1880 from Civil Birth Register

Daniel Mahony, 21 Feb 1882 from Civil Birth Register

Jeremiah Mahony, 24 June 1884 from Civil Birth Register

Cornelius Mahony, 24 Mar 1887 from Civil Birth Register

Margaret Mahony, 15 Oct 1889 from Civil Birth Register

Hannah Mahony, 16 Feb 1893 from Civil Birth Register

Census 1901:
http://www.census.nationalarchives.ie/pages/1901/Cork/Bredagh/Dromdaleague/1153482/

Deaths:
John Mahony died on 22 September 1903 at Drimoleague.  From his death record he was married, aged 61 years, a tailor.  Present at his death and the Informant to the Civil Registrar was his daughter, Maggie Mahony of Drimoleague.
Mary Mahony died at Drimoleague on 9 February 1909.  From her death record she was a widow, aged 59 years, widow of a tailor.  Present at her death and the Informant to the Civil Registrar was her son, John Mahony of Drimoleague.