Denis Collins was a son of Denis Collins
Johanna Maguire was a daughter of Andrew Maguire and Mary Driscoll.

Denis Collins (25) of Kilcoe and Johanna Maguire (20) of Garranemore married in the Catholic Church in Killeenleigh (Caheragh) on 9 March 1886.  The Witnesses were Timothy Donovan and Julia Maguire.

Children born on dates on Civil Birth Register:

Michael Collins, 1 Sep 1888.  Michael died at Kilcoe on 21 Jan 1911

Helena Collins, 20 Jan 1890

Kate Collins, 11 Feb 1892

Jereniah Collins, 30 May 1894

Death:
Denis Collins died at Kilcoe on 30 May 1894.  From his death record he was married, aged 40 years, a farmer.  Present at his death and the Informant of it tto the Civil Registrar was his sister, Johanna Hickey of Skehanore.
 

Census 1901:
http://www.census.nationalarchives.ie/pages/1901/Cork/Kilcoe/Kilcoe/1159304/

Census 1911:
http://www.census.nationalarchives.ie/pages/1911/Cork/Killoe/Kilcoe/445248/

Death:
Johanna Collins died at Kilcoe on 20 November 1935.  From her death record she was a widow, aged 80 years, a farmer's widow.  Present at her death and the Informant to the Civil Registrar was Jerome Collins, her son, of Kilcoe.