Denis Sullivan was a son of Patrick Sullivan and Mary Sullivan of Ardnacloghy
Mary Hurley was a daughter of Cornelius Hurley and Julia Mullins of Gortnacowley

Denis Sullivan of Ardnacloghy and Mary Hurley of Gortnacowley married in the Bride's House on 2 February 1888.  The Witnesses were Daniel Casey and Hannah Harrington.

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

Catherine Sullivan, 1 Feb 1889

Patrick Sullivan, 10 Dec 1891

Agnes Sullivan, 20 June 1894

Mary Ellen Sullivan, 14 Dec 1895

Census 1901:
http://www.census.nationalarchives.ie/pages/1901/Cork/Glengarriff/Ardnacloghy/1092904/

Census 1911:
http://www.census.nationalarchives.ie/pages/1911/Cork/Glengarriff/Ardnacloghy/376174/

Deaths:
Denis P Sullivan died at Ardnacloghy on 2? July 1915.  From his death record he was married, aged 66 years, a farmer.  Present at his death and the Informant to the Registrar was his daughter, Agnes Sullivan of Ardnaclogha.
Mary Sullivan died at Ardnacloghy on 8 July 1934.  From her death record she was a widow, aged 75 years, an old age pensioner.  Present at her death and the Informant to the Registrar was Peggy Cronin, grand-daughter of Ardnacloghy.