Denis Hayes was a son of Timothy Hayes and Kate Regan of Cregg, Rosscarbery
Mary Hayes was a daughter of Michael Hayes and Ellen Cullinane of Reenogreena

Denis Hayes of Cregg and Mary Hayes of Reenogreena married on 8 February 1898 in the Catholic Church in Leap, West Cork.  The Witnesses were Patrick Hayes and Hannah Hayes.

Children born in the townland of Cregg:-

Timothy Hayes, 10 Oct 1900

John Hayes, 5 Sep 1902

Michael Hayes, 15 Jan 1904

Mary Kate Hayes, 1 Aug 1905

Denis Hayes, 14 Sep 1907

Census 1901:
http://www.census.nationalarchives.ie/pages/1901/Cork/Rosscarbery/Cregg/1162274/

Census 1911:
http://www.census.nationalarchives.ie/pages/1911/Cork/Derry/Cregg/380575/

Deaths:
Denis Hayes died on 27 October 1937 at Cregg.   From his death record he was married, aged 81 years, a farmer.  Present at his death and the Informant of it to the Civil Registrar was Denis Hayes, his son, of Cregg.
Mary Hayes died on 11 February 1946 at Cregg.   From her death record she was a widow, aged 75 years, a farmer's widow.  Present at her death and the Informant to the Civil Registrar was Denis Hayes, her son, of Cregg.

Burials:  In Rosscarbery Abbey
http://www.graveyards.skibbheritage.com/Burial.aspx?BurialID=17902
http://www.graveyards.skibbheritage.com/Burial.aspx?BurialID=18194