Timothy Hayes was a son of Denis Hayes
Mary Sullivan was a daughter of Patrick Sullivan

Timothy Hayes and Mary Sullivan married on 22 February 1873 in the Catholic Church in Rathbarry.  The Witnesses were John Heas and John Hennessy.

Children:

Patrick Hayes, born at Drombeg and baptised on 3 Apr 1877

Ellen Hayes born at Drombeg and baptised on 28 Aug 1879

Margaret Hayes, born at Drombeg on 3 June 1882 from Civil Birth Register

Timothy Hayes, born at Kilfinnin on 15 Jan 1884 from Civil Birth Register

Michael Hayes, born at Dromillihy on 2 Oct 1889 from Civil Birth Register

Catherine Hayes, born at Dromillihy on 25 Mar 1892 from Civil Birth Register.  Kaye married Timothy Shanahan on 8 Feb 1919

Census 1901:
http://www.census.nationalarchives.ie/pages/1901/Cork/Knockskagh/Dromallihy/1157341/

Census 1911:
http://www.census.nationalarchives.ie/pages/1911/Cork/Knockakagh/Dromillihy/443351/

Deaths:
Timothy Hayes died at Dromillihy on 16 February 1922.  From his death record he was married, aged 76 years, a labouer.  Present at his death and the Informant of it to the Civil Registrar was Pat Hayes, his son of Dromillihy.
Mary Hayes died at Dromillihy on 13 December 1937.  From her death record she was a widow, aged 75 years, a labouer's widow.  Present at her death and the Informant to the Civil Registrar was Kate Shanahan, her daughter of Dromillihy.  Mary is buried in Rosscarbery Abbey and the burial record on the Skibbereen Heritage Centre Graeyard Database may be seen on this link here.