Cornelius Duggan was a son of Daniel Duggan and Mary Barry.
Julia Halloran was a daughter of Thomas Halloran

Cornelius Duggan, a farmer, of Rathfelane and Julia Halloran of Inchirahilly married on 26 February 1876 in the Catholic Church in Cloughduv.  The Witnesses were Timothy Callaghan and William Duggan.

Children born in Parkmore on dates on Civil Birth Register:

Mary Duggan, 12 Jan 1877

Dan Duggan, baptised 29 Mar 1879

Timothy Duggan, 10 July 1880

Margaret Duggan, 4 Sep 1883

Cornelius Duggan, 16 Mar 1888

Census 1901:
http://www.census.nationalarchives.ie/pages/1901/Cork/Moviddy/Parkmore/1164783/

Census 1911:
http://www.census.nationalarchives.ie/pages/1911/Cork/Moviddy/Parkmore/374216/

Deaths:
Julia Duggan died at Parkmore on 8 September 1920.  From her death record she was married, aged 76 years, a farmer's wife.  Present at her death and the Informant of it to the Civil Registrar was Maggie Duggan, daughter.
From the Cork Examiner of Thursday, September 9, 1920: "DUGGAN - On Sept. 8, at her residence, Parkmore, Julia, beloved wife of Con Duggan.  Deeply and deservedly regretted.  R.I.P. Funeral from Catholic Church, Cloughduve on to-morrow (Friay) at 2 p.m. (old time), for Kilcrea Abbey."

Cornelius Duggan died at Parkmore on 22 March 1928.  From his death record he was a widower, aged 73 years, a farmer.  Present at his death and the Informant to the Civil Registrar was Margaret Duggan, his daughter.
From the Cork Examiner of Friday 23 March 1928: "DUGGAN - On March 22, 1928, at his residence, Parkmore, Cornelius Duggan.  Deeply and deservedly regretted. Funeral on to-morrow (Saturday) from Cloughduv Church at 3 o'clock, for Kilbonane."