Baptism and marriage records - seewww.irishgenealogy.ie
Found a Gort everything but Gortbrack but eventually found it is close to Ballyseedy, Tralee and there are Coffey's
listed in the Kerry telephone book. You could try writing a few letters while you wait for contact.
Too many Doyle's or Connor's to attempt any guesses but you can limited to Ballyseedy/Tralee area.
Griffith Valuation: www.askaboutireland.ie
Tithe's 1823-1837 www.genealogy.nationalarchives.ie
1901/1911 census www.census.nationalarchives.ie