Michael Sullivan was a son of John Sullivan
Mary Delaney was a daughter of Edmund Delaney and Mary.

Death records of Edmund and Mary Delaney:
Mary Delaney died at Ballydaheen on 13 September 1881.  From her death record she was married, aged 40 years, wife of a labourer.  Edmund Delaney was the Informant of her death to the Civil Registrar.  Her husband, Edmund Delaney died at Ballydaheen on 2 July 1896.  From his death record he was a widower, aged 58 years, a labourer.  The Informant of his death to the Civil Registrar was Mary Sullivan, his daughter of Ballydaheen, Mallow.
 

Michael Sullivan of Mallow and Mary Delaney of Mallow married on 20 June 1884 in the Catholic Church in Mallow.  The marriage witnesses were Thomas Roche and Mary Roche.
 

Children born at Ballydaheen, Mallow on dates on Civil Birth Register:

John Sullivan, 25 July 1884

Norah Sullivan, 2 Mar 1886

Mary Ann Sullivan, 10 Jan 1888

Michael Sullivan, 23 Dec 1888.  Michael died on 5 May 1890

Margaret Sullivan, 2 Apr 1890.  Margaret married William Hanniver in Mallow on 2 Aug 1908

Michael Sullivan, 28 Mar 1892.  Michael died on 19 May 1904

William Sullivan, 31 Jan 1894

Edmund Sullivan, 28 Nov 1895.  Edmund died on 10 May 1896

Patrick Sullivan, 12 Jan 1899

Thomas Sullivan, 7 Jan 1902.  Thomas married Ellen Whelan in Mallow on 14 June 1928

Census 1901:
http://www.census.nationalarchives.ie/pages/1901/Cork/Mallow_North_Urban/Bridge_Street/1130086/

Census 1911:
http://www.census.nationalarchives.ie/pages/1911/Cork/Mallow/Bridge_Street/430337/

Death:
Michael Sullivan late of Ballydaheen died at Mallow Hospital on 11 October 1933.  From his death record he was married, aged 73 years, an old age pensioner.