Eugene Hayes was a son of Eugene (Owen) Hayes and Julia Carroll.
Bridget Grace was a daughter of James Grace and Mary Lane.

Eugene Hayes, a farmer of Maulamemerish, Dunmanway and Bridget Grace of East Drinagh married in Drimoleague Catholic Church on 20 March 1866.  The Witnesses were Eugene Hayes and Thomas Grace.

Childern baptised in Dunmanway on dates on Baptismal Register:

Eugene Hayes, 10 Feb 1867.  Sponsors: Eugene Hayes, Mary Lane

Julia Hayes, 13 Feb 1869.  Sponsors: Pat Hayes, Ellen Grace

James Hayes, Aug 1871.  Sponsors: Thomas Grace, Jude Carroll

Thomas Hayes. 8 Aug 1873.  Sponsors: James Grace, Hannah Mahony

Hanoria Hayes, 6 May 1876.  Sponsors: Jerry McCarthy, Margaret Hayes

Johanna Hayes, 3 Aug 1878.  Sponsors: Patrick Grace, Mary Hayes

Mary Hayes, born 24 June 1881 from Civil Birth Register.  Mary of Kilbarry married Charles McCarthy in Dunmanway on 5 Feb 1903

Michael Hayes, 3 Oct 1883 from Civil Birth Register

Census 1901:
http://www.census.nationalarchives.ie/pages/1901/Cork/Dunmanway/Kilbarry/1164155/