Humphry Collins was a son of Michael Collins and Ellen Driscoll.
Margaret McCarthy was a daughter of Cornelius McCarthy and Mary Collins.

Humphry Collins of Lissane Lower and Margaret McCarthy of Lissane Upper married in Killeenleagh (Caheragh) on 24 May 1890. The Witnesses were Daniel McCarthy and E McCarthy.

Children born at Tooreen on dates on Civil Birth Register:

Michael Collins, 29 Oct 1891

Patrick Collins, 7 Apr 1893

Cornelius Collins, 22 June 1894

Mary Kate Collins, 19 Oct 1896

Humphrey Collins, 21 May 1898

James Collins, 23 Nov 1899

Ellie Collins, 12 Feb 1901

Denis Collins, 2 Jan 1903

Margaret Collins, 6 Mar 1906.  Margaret died on 14 Aug 1906

Census 1901:
http://www.census.nationalarchives.ie/pages/1901/Cork/Bredagh/Tooreen/1153340/

Deaths:
Margaret Collins died on 9 March 1906 at Tureen.  From her death record she was married, aged 44 years, wife of a farmer.  Present at her death and the Informant of it to the Civil Registrar was Mary McCarthy, Tureen.
Humphry Collins died at Tooreen on 10 July 1910.  From his death record he was a widower, aged 52 years, a farmer.  Present at his death and the Informant to the Civil Registrar was Michael Collins, his son of Tooreen