Thomas Flaherty was a son of James and Mary Flaherty of Gortgarrow
Catherine Gannon was a daughter of Thomas and Catherine Gannon.

Thomas Flaherty (25) and Catherine Gannon (20) married on 28 November 1877 in Clonbern Catholic Church.  The Witnesses were Thomas Flaherty and Bridget Donelin.

Children born on dates on Civil Birth Register:

James Flaherty, 10 Jan 1880

Michael Bernard Flaherty, 5 Jan 1882

Thomas Flaherty, 15 Nov 1884

Kate Flaherty, 24 Apr 1886

Mary Flaherty, 18 Dec 1887

Census 1901:
http://www.census.nationalarchives.ie/pages/1901/Galway/Rohun/Gortgarrow/1380866/

Death:
Catherine Flaherty died on 12 May 1905 at Gortgarrow.  From her death record she was married, aged 49 years, wife of a landholder.  Present at her death and the Informant of it to the Civil Registrar was Kate Flaherty, her daughter.
 

Census 1911:
http://www.census.nationalarchives.ie/pages/1911/Galway/Raheen/Gortgarrow/459060/

Death:
Thomas Flaherty died at Gortagarrow on 14 March 1923.  From his death record he was a widower, aged 72 years, a landholder.  Present at h death and the Informant of it to the Civil Registrar was Thomas Diskin, son-in-law.