Patrick Duggan was a son of John Duggan and Elizabeth Galvan.
Hannah Murphy was a daughter of Cornelius Murphy and Johanna Brien.

Patrick Duggan of Brinny and Hannah Murphy of Rockfort married on 22 October 1887 in the Catholic Church in Innishannon.  The Witnesses were Edward Martin and Mary Anne Flynn.

Extract from Marriage Register
 

Children born on dates on Civil Birth Register:

John Duggan, 25 Aug 1888 @ Rockfort, Innishannon.  John died on 23 Dec 1900 @ Quarthertown, Mallow

Hannah Duggan, 2 Oct 1890 @ Rockfort.  Hannah married Timothy O'Connor on 4 Nov 1915

Elizabeth Duggan, 5 Nov 1892 @ Coolculitha.  Elizabeth married Timothy Walsh on 31 Dec 1920

Mary Duggan, 5 Jan 1895 @ Ballinacurra, Upton.  Mary married Joseph Donnelly on 27 Sep 1921

Catherine Duggan, 6 Oct 1897 @ Quartertown, Mallow.  Catherine married Michael Owens on 6 July 1929

Patrick Duggan, 9 Feb 1899 @ Quarthertown.  Patrick of Leemount died of fever in hospital on 19 June 1920

Daniel Duggan, 22 Mar 1903 @ Upper Quartertown.  Daniel married Margaret Coughlan, daughter of Bartholomew and Mary Coughlan.

Census 1901:
http://www.census.nationalarchives.ie/pages/1901/Cork/Mallow_Rural/Quartertown_Upper/1129970/

Census 1911: family in Coolymurraghue, Kerry Pike
http://www.census.nationalarchives.ie/pages/1911/Cork/St__Mary_s/Coolymurraghue/402972/

Death:
Patrick Duggan died at Leemount on 4 December 1920.  From his death record he was married, aged 51 years, a labourer.  Present at his death and the Informant to the Civil Registrar was D. Duggan, Lee Mount.