They're all mapped here[/url:24iu6ti1], although yeah, some more information on the brewery names. Thanks!
All information for Cork City came from The Industrial Archaeology of Cork City and its Environs, Colin Rynne, 1999, p46
Lee Porter Brewery, established 1797.
St. Finnbarre's (Arnott's) Brewery, established 1805
South Gate Brewery, established 1758.
Crosse's Green Brewery, established early nineteenth century
Cowperthwaite's Brewery, established eighteenth century.
Drinan's Brewery, established eighteenth century.